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Large language models (LLMs) are an exciting breakthrough in the rapidly growing field of artificial intelligence (AI), offering unparalleled potential in a variety of application domains such as finance, business, healthcare, cybersecurity, and so on. However, concerns regarding their trustworthiness and ethical implications have become increasingly prominent as these models are considered black-box and continue to progress. This position paper explores the potentiality of LLM from diverse perspectives as well as the associated risk factors with awareness. Towards this, we highlight not only the technical challenges but also the ethical implications and societal impacts associated with LLM deployment emphasizing fairness, transparency, explainability, trust and accountability. We conclude this paper by summarizing potential research scopes with direction. Overall, the purpose of this position paper is to contribute to the ongoing discussion of LLM potentiality and awareness from the perspective of trustworthiness and responsibility in AI.

The predictive relationship between handwriting automaticity and children's writing performance is well documented. However, less is known about the relationship between keyboarding automaticity and children's keyboard-based writing performance. In this exploratory study, we examined the unique contributions of automaticity in both writing modalities in predicting Grade 2 students (N = 49) paper-based and keyboard-based writing performance (i.e., compositional quality and fluency) after controlling for students’ literacy skills (i.e., spelling, word reading, and reading comprehension), attitudes toward writing, gender, and nesting due to classroom. Multilevel modelling results showed that automaticity predicted students’ paper-based compositional quality and keyboard-based compositional quality and fluency. Findings further suggested that the relationship between automaticity and writing performance was stronger in keyboard-based text composing than in paper-based text composing. These results reinforce the role of automaticity of transcription skills in predicating the writing performance of beginning writers across modalities and stress the significance of explicit pedagogy and frequent instances of practice to promote the mastery of transcription skills across modalities in the early years of schooling.

The rising use of technology in classrooms has also brought with it a concomitant wave of computer-based assessments. The argument for computer-based testing is often framed in terms of efficiency and data management: computer-based tests facilitate more efficient processing of test data and the rate at which feedback can be leveraged for student learning rather than being framed in terms of the direct effects that students experience from engaging with novel learning tools. Whilst potentially beneficial, for some students the outcomes of computer-based tests may be counter-productive. This review considers the cognitive, and often implicit, consequences of testing mode upon students with reference to testing performance and subjective measures of cognitive load. Considerations for teachers, test writers and future research are presented with a view to raising the significance of learners’ subjective experiences as a guiding perspective in educational policy making.

Environmental education has the potential to extend its transformative potential by reframing social and ecological justice as always interconnected. This paper introduces vulnerable reading as a method for unsettling anthropocentric and colonial influences on how educators conceptualise and respond to environmental precarity through a socio-ecological lens. It has emerged from a six-month walking project during which the authors developed vulnerable reading practices as they walked with young children, educators, and a weedy landscape in Boorloo (Perth), Western Australia. With a focus on reimagining pedagogies to be inclusive of multiple weedy ideas, bodies and voices, the paper uses empirical examples of practice to illustrate how vulnerable reading across temporalities, scales, disciplines, and genres draws attention to the complex relations humans share with weedy worlds. The paper shows how vulnerable reading is a feminist and anticolonial practice that makes visible the complexity of relations humans share with more-than-human worlds and is an example of ecosocial justice in action.

Cameroon is currently grappling with a significant energy crisis, which is adversely affecting its economy due to cost, reliability, and availability constraints within the power infrastructure. While electrochemical storage presents a potential remedy, its implementation faces hurdles like high costs and technical limitations. Conversely, generator-based systems, although a viable alternative, bring their own set of issues such as noise pollution and demanding maintenance requirements. This paper meticulously assesses a novel hybrid energy system specifically engineered to meet the diverse energy needs of Douala, Cameroon. By employing advanced simulation techniques, especially the Hybrid Optimization Model for Electric Renewable (HOMER) Pro program, the study carefully examines the intricacies of load demands across distinct consumer categories while accommodating varied pricing models. The paper offers a detailed analysis of the proposed grid-connected PV/Diesel/Generator system, aiming to gauge its performance, economic feasibility, and reliability in ensuring uninterrupted energy supply. Notably, the study unveils significant potential for cost reduction per kilowatt-hour, indicating promising updated rates of $0.07/kW, $0.08/kW, and $0.06/kW for low, medium, and high usage groups, respectively. Furthermore, the research underscores the importance of overcoming operational challenges and constraints such as temperature fluctuations, equipment costs, and regulatory compliance. It also acknowledges the impact of operational nuances like maintenance and grid integration on system efficiency. As the world progresses towards renewable energy adoption and hybrid systems, this investigation lays a strong foundation for future advancements in renewable energy integration and energy management strategies. It strives to create a sustainable energy ecosystem in Cameroon and beyond, where hybrid energy systems play a pivotal role in mitigating power deficiencies and suppor

In rural communities in Australia, the provision of sport and physical activities for children almost exclusively relies upon parents and their ability to access and contribute to facilities, funding, volunteers, and administration. This paper brings Putnam’s social capital framework to Whitehead’s conceptualisation of physical literacy as a journey to offer original insight into children’s sport participation and the opportunities arising for physical literacy development in rural communities in Australia. Changes in sport participation in Australia and directions in sport policy set an important context for the project, which is located in a small rural community in Western Australia. It was recognised that access to and engagement with both formal and informal sport environments were important to examine, particularly given participation trends and the need to consider issues of equity and inclusivity concerning the physical literacy opportunities for children in diverse rural communities. Narrative inquiry methodology enabled in-depth exploration of issues of access and opportunity created through rural mothers’ social resources and identity. Participants provided rich insights into the realities and complexities of the rural social landscape and how this impacts their children’s participation. Data illustrates the importance of conceptual links between social capital and physical literacy development. The paper provides new perspectives for policymakers and the local community to consider in seeking more significant equity in children’s sport participation and physical literacy development in rural communities.

System strength is both supplied and demanded in a power system during normal operations and in the presence of disturbances. This is characterised by stable voltage and frequency, supporting renewable generation such as wind and solar. Because the retirement of synchronous generators reduces system strength supply, and the connection of new inverter-based resource (IBR) generators increases demand, there is an urgent need for new sources of system strength. This paper provides an overview of the challenges brought about by grid modernisation. It highlights tangible solutions provided by synchronous condensers (SCs) to bolster grid strength, stability, and reliability while accommodating the rising influx of renewable energy sources (RESs). Furthermore, this paper examines the role of SCs in improving weak grids, voltage control, power quality, short-circuit levels, and inertia management. It introduces the role of innovative hybrid synchronous condenser (HSC) systems to boost grid reliability and resilience. It also elaborates on the optimisation strategies for SC sizing, placement, and control and outlines economic aspects of their deployment. The review also highlights future directions and challenges in SC technology, emphasising the need for ongoing research and development to enhance system design and operation.

This paper explores the international humanitarian law classification which applies to foreign fighters that have been enlisted in the Ukrainian International Legion of Territorial Defence pursuant to the Russian invasion of Ukraine in 2022. The paper explains the legal rights, obligations and consequences which attach to mercenary, combatant and prisoner of war status; and explores how these foreign members of the Ukrainian International Legion of Territorial Defence fit into this legal landscape. This paper challenges the legality of Russia's decision to classify these individuals as mercenaries. The paper supports the argument that these foreign members of the Ukrainian International Legion of Territorial Defence are entitled to combatant status including full combatant immunity from prosecution upon capture. The paper explores the prisoner of war rights and protections which these individuals should be afforded upon capture and details their denial. The paper reiterates the international humanitarian law fair trial guarantees which are activated when combatants fall into enemy hands and questions the procedural legality of the trials being conducted in the self-proclaimed Donetsk People's Republic and Russia.

Recognising the pivotal role of teacher wellbeing in fostering teaching excellence, this paper explores the intricate relationships in the context of higher education. Employing an abductive, qualitative methodology and expanding the use of the PERMA framework to in the realm of higher education, this paper investigates the associations between teachers' perceptions of excellence to five elements of wellbeing: positive emotions (P), engagement (E), relationships (R), meaning (M) and accomplishment (A). Drawing insights from a case study of an Australian business school, the findings of this paper reveal dynamic interactions among these elements. Contextual variations give rise to virtuous or vicious cycles, allowing for the facilitation or degradation of both teacher wellbeing and teaching excellence. This underscores the interplay between the dimensions of teaching quality and wellbeing of educators in higher education, shedding light on the potential cyclical influences that can either bolster or undermine the symbiotic relationship between teacher wellbeing and excellence.

This paper presents a re-storied account of my (lead author) decade-long (2007–2017) professional journey as a high school principal in diverse educational settings in Nepal. Using an autoethnographic approach, I have theorized my leadership transformation approaches through professional storytelling, employing critical reflexivity to trace intimate leadership experiences where authoritarian approaches to leadership, disparities, and inequalities in schools run rampant. My perspectival myopia, professional vulnerabilities, and the discrepancies between my leadership ideals and behaviors resulted in issues such as perceptions of disengagement, underperformance, and dissatisfaction on the receiving end, prompting me to contemplate professional transformation. While outlining several significant steps and missteps in transforming my actional and cognitive behaviors, this paper explores my evolution toward a more reflective, democratic, ethical, equitable, and participative conceptualization of educational leadership and underscores the transformative potential of personal-professional development through adaptable perspectives and critical self-reflection, offering valuable insights for educational leaders globally.

Simultaneous Localization and Mapping (SLAM) is a crucial function for most autonomous systems, allowing them to both navigate through and create maps of unfamiliar surroundings. Traditional Visual SLAM, also commonly known as VSLAM, relies on frame-based cameras and structured processing pipelines, which face challenges in dynamic or low-light environments. However, recent advancements in event camera technology and neuromorphic processing offer promising opportunities to overcome these limitations. Event cameras inspired by biological vision systems capture the scenes asynchronously, consuming minimal power but with higher temporal resolution. Neuromorphic processors, which are designed to mimic the parallel processing capabilities of the human brain, offer efficient computation for real-time data processing of event-based data streams. This paper provides a comprehensive overview of recent research efforts in integrating event cameras and neuromorphic processors into VSLAM systems. It discusses the principles behind event cameras and neuromorphic processors, highlighting their advantages over traditional sensing and processing methods. Furthermore, an in-depth survey was conducted on state-of-the-art approaches in event-based SLAM, including feature extraction, motion estimation, and map reconstruction techniques. Additionally, the integration of event cameras with neuromorphic processors, focusing on their synergistic benefits in terms of energy efficiency, robustness, and real-time performance, was explored. The paper also discusses the challenges and open research questions in this emerging field, such as sensor calibration, data fusion, and algorithmic development. Finally, the potential applications and future directions for event-based SLAM systems are outlined, ranging from robotics and autonomous vehicles to augmented reality.

Unethical pro-organizational behavior (UPB) has received growing attention from organizational scholars in recent years. As leadership is a key predictor of employee behavior in organizations, research focusing on leadership and UPB holds great potential for theoretical and practical advancements. The current paper presents a comprehensive systematic review of published research exploring leadership and UPB since 2010. The review not only situates the concept of UPB within the relevant literature, but also incorporates various analyses, including context, theoretical perspective, and research design. It also identifies the leadership-based independent variables, mediators, and moderators that impact UPB, which can help advance future theorizing in the field. Lastly, the paper offers suggestions for future research that can help in repositioning the field in order to build more reliable and valuable theoretical and practical policy recommendations.

Effectively addressing overwork culture in business remains a challenge, despite growing concerns about its negative impacts on employee wellbeing and productivity. This paper investigates corporate social responsibility (CSR) initiatives and stakeholder management promoted by large Japanese companies to address overwork culture. Based on interviews with managers and stakeholders from 31 companies, the study reveals that despite being part of CSR, overwork reduction initiatives often come into conflict with entrenched institutional pressures. These pressures are embedded in a cultural-cognitive and institutional context that prioritises quality and cooperation over individual productivity. We argue that improving stakeholder relationships is vital for developing a healthy and productive workstyle and for reactivating institutional dynamics that are fundamental to employee wellbeing, productivity and broader social sustainability. By clarifying the role and processes of stakeholder management, this paper contributes to the discourse on overwork and CSR, offering new insights into how to effectively address overwork culture.

Qualitative methods for impact assessment (IA) represent a broad spectrum of approaches that are important for realising effective IA practice. The purpose of this paper is to identify and promote qualitative methods that are available for use in contemporary and future (next-generation) IA processes. From an extensive literature review, an international survey (145 responses), expert interviews (48 interviewees), and a workshop attended by 27 IA practitioners, 17 qualitative method categories were identified. These were further subdivided into three classes: conventional qualitative methods, highly participatory methods, and mixed methods. Each method is described, and an indication given of how each can be used in IA practice, including the specific stage of the IA process to which they might be applied. Whilst this paper seeks to stimulate practitioners to apply qualitative methods to enrich IA practices, the research also identifies a lack of expertise with social science methods as a significant barrier to the effective use of qualitative methods in IA practice.

Aboriginal and Torres Strait Islander people in Australia face disparities in accessing culturally safe and appropriate health services. While current cultural safety and responsiveness frameworks set standards for improving healthcare practices, ensuring accountability and sustainability of changes, necessitates robust mechanisms for auditing and monitoring progress. This study examined existing cultural safety audit tools, and facilitators and barriers to implementation, in the context of providing culturally safe and responsive healthcare services with Aboriginal and Torres Strait Islander people. This will assist organisations, interested in developing tools, to assess culturally responsive practice. A scoping review was undertaken using Medline, Scopus, CINAHL, Informit and PsychInfo databases. Articles were included if they described an audit tool used for healthcare practices with Aboriginal and Torres Strait Islander people. Selected tools were evaluated based on alignment with the six capabilities of the Indigenous Allied Health Australia (IAHA) Cultural Responsiveness in Action Framework. Implementation barriers and facilitators were identified. 15 papers were included. Audit tools varied in length, terminology, domains assessed and whether they had been validated or evaluated. Seven papers reported strong reliability and validity of the tools, and one reported tool evaluation. Implementation facilitators included: tool comprehensiveness and structure; effective communication; clear organisational responsibility for implementation; commitment to prioritising cultural competence; and established accountability mechanisms. Barriers included: the tool being time-consuming and inflexible; responsibility for implementation falling on a small team or single staff member; deprioritising tool use; and lack of accountability for implementation. Two of the six IAHA capabilities (respect for the centrality of cultures and inclusive engagement) were strongly reflected

Critical infrastructure (CI) typically refers to the essential physical and virtual systems, assets, and services that are vital for the functioning and well-being of a society, economy, or nation. However, the rapid proliferation and dynamism of today's cyber threats in digital environments may disrupt CI functionalities, which would have a debilitating impact on public safety, economic stability, and national security. This has led to much interest in effective cybersecurity solutions regarding automation and intelligent decision-making, where AI-based modeling is potentially significant. In this paper, we take into account “Rule-based AI” rather than other black-box solutions since model transparency, i.e., human interpretation, explainability, and trustworthiness in decision-making, is an essential factor, particularly in cybersecurity application areas. This article provides an in-depth study on multi-aspect rule based AI modeling considering human interpretable decisions as well as security automation and intelligence for CI. We also provide a taxonomy of rule generation methods by taking into account not only knowledge-driven approaches based on human expertise but also data-driven approaches, i.e., extracting insights or useful knowledge from data, and their hybridization. This understanding can help security analysts and professionals comprehend how systems work, identify potential threats and anomalies, and make better decisions in various real-world application areas. We also cover how these techniques can address diverse cybersecurity concerns such as threat detection, mitigation, prediction, diagnosis for root cause findings, and so on in different CI sectors, such as energy, defence, transport, health, water, agriculture, etc. We conclude this paper with a list of identified issues and opportunities for future research, as well as their potential solution directions for how researchers and professionals might tackle future generation cybersecurity mode

The National Quality Framework (NQF) was intended to drive continuous improvement in education and care services in Australia. Ten years into implementation, the effectiveness of the NQF is demonstrated by steady improvements in quality as measured against the National Quality Standard (NQS). The process of assessing and rating services is a key element in the NQF, drawing together regulatory compliance and quality assurance. This paper draws on findings from a national Quality Improvement Research Project investigating the characteristics, processes, challenges and enablers of quality improvement in long day care services, concentrating on Quality Area 1 Educational program and practice and Quality Area 7 Governance and leadership. This was a mixed-method study focusing on long day care services that had improved their rating from Working toward NQS to Meeting NQS or to Exceeding NQS. The study comprised three phases, and in this paper, we draw on Phase 3 to understand the contribution of the NQS Assessment and Rating (A&R) process to continuous quality improvement from the standpoint of providers and professionals delivering these services. Phase 3 involved qualitative case studies of 15 long day care services to investigate factors that enabled and challenged quality improvement. Data was collected during two-day site visits, using professional conversations and field notes to elicit the views and experiences of service providers, leaders and educators. In this paper, we look at how the A&R process is experienced by those involved in service provision, with a focus on the factors that enabled and challenged quality improvement. Recognizing the interchangeability of enablers and challenges, three broad themes emerged: (i) curriculum knowledge, pedagogical skills and agency; (ii) collaborative leadership and teamwork; and (iii) meaningful engagement in the A&R process. The study found that meaningful engagement in the A&R process informed priorities for ongoing lea

To achieve the resource utilization of solid waste phosphogypsum (PG) and tackle the problem of utilizing potassium feldspar (PF), a coupled synergistic process between PG and PF is proposed in this paper. The study investigates the features of P and F in PG, and explores the decomposition of PF using hydrofluoric acid (HF) in the sulfuric acid system for K leaching and leaching of P and F in PG. The impact factors such as sulfuric acid concentration, reaction temperature, reaction time, material ratio (PG/PF), liquid–solid ratio, PF particle size, and PF calcination temperature on the leaching of P and K is systematically investigated in this paper. The results show that under optimal conditions, the leaching rate of K and P reach more than 93% and 96%, respectively. Kinetics study using shrinking core model (SCM) indicates two significant stages with internal diffusion predominantly controlling the leaching of K. The apparent activation energies of these two stages are 11.92 kJ·mol−1 and 11.55 kJ·mol−1, respectively.

Drowning poses a significant threat, resulting in unexpected injuries and fatalities. To promote water sports activities, it is crucial to develop surveillance systems that enhance safety around pools and waterways. This paper presents an overview of recent advancements in drowning detection, with a specific focus on image processing and sensor-based methods. Furthermore, the potential of artificial intelligence (AI), machine learning algorithms (MLAs), and robotics technology in this field is explored. The review examines the technological challenges, benefits, and drawbacks associated with these approaches. The findings reveal that image processing and sensor-based technologies are the most effective approaches for drowning detection systems. However, the image-processing approach requires substantial resources and sophisticated MLAs, making it costly and complex to implement. Conversely, sensor-based approaches offer practical, cost-effective, and widely applicable solutions for drowning detection. These approaches involve data transmission from the swimmer’s condition to the processing unit through sensing technology, utilising both wired and wireless communication channels. This paper explores the recent developments in drowning detection systems while considering costs, complexity, and practicality in selecting and implementing such systems. The assessment of various technological approaches contributes to ongoing efforts aimed at improving water safety and reducing the risks associated with drowning incidents.

As the fusion of the Internet of Things (IoT) and blockchain technology advances, it is increasingly shaping diverse fields. The potential of this convergence to fortify security, enhance privacy, and streamline operations has ignited considerable academic interest, resulting in an impressive body of literature. However, there is a noticeable scarcity of studies employing Latent Dirichlet Allocation (LDA) to dissect and categorize this field. This review paper endeavours to bridge this gap by meticulously analysing a dataset of 4455 journal articles drawn solely from the Scopus database, cantered around IoT and blockchain applications. Utilizing LDA, we have extracted 14 distinct topics from the collection, offering a broad view of the research themes in this interdisciplinary domain. Our exploration underscores an upswing in research pertaining to IoT and blockchain, emphasizing the rising prominence of this technological amalgamation. Among the most recurrent themes are IoT and blockchain integration in supply chain management and blockchain in healthcare data management and security, indicating the significant potential of this convergence to transform supply chains and secure healthcare data. Meanwhile, the less frequently discussed topics include access control and management in blockchain-based IoT systems and energy efficiency in wireless sensor networks using blockchain and IoT. To the best of our knowledge, this paper is the first to apply LDA in the context of IoT and blockchain research, providing unique perspectives on the existing literature. Moreover, our findings pave the way for proposed future research directions, stimulating further investigation into the less explored aspects and sustaining the growth of this dynamic field.

This paper delves into the critical importance of ethical considerations in research, with a primary focus on gender, sex, and sexual orientation. Recognizing the vulnerabilities and complexities inherent in these communities, we emphasize here the necessity of ethical awareness throughout all research phases. Ethical obligations may extend to ensuring cultural sensitivity, safety, and equitable resource distribution. The core ethical principles of autonomy, beneficence, non-maleficence, and justice are promoted here to serve as a viable framework for ethical research. These principles require meticulous attention to informed consent, minimizing harm, maximizing benefits, and promoting fairness throughout the research process. The paper delves into the intricacies of queer identities, highlighting the fluidity and intersections among gender, sex, and sexual orientation. Recommendations are proposed to integrate ethical principles seamlessly into research. This paper underscores that ethical considerations are not just a regulatory requirement but a moral obligation, essential for upholding the rights and well-being of all individuals. By embedding ethical principles into research, we can contribute to a more inclusive, equitable, and just society, amplifying the voices and experiences of marginalized communities while minimizing harm and promoting social change.

To achieve supply chain decarbonization, environmentally conscious manufacturers are transforming their energy infrastructure. While certain manufacturers are adopting a pure bioenergy strategy in their production processes, others are opting for a hybrid energy approach that combines traditional energy with bioenergy. This choice is often influenced by limitations in land capacity and the developmental stage of biomass conversion technologies. This paper introduces a game-theoretic model that explores the optimal approach to achieving supply chain decarbonization by strategically selecting energy portfolios. Our findings reveal that in scenarios where the market size is small, manufacturers tend to adopt a hybrid energy strategy, particularly when the average yield of biomass is low. However, as the biomass yield increases, manufacturers lean towards a hybrid (or pure) bioenergy strategy in smaller (or larger) markets. In larger markets, the manufacturer’s energy strategies become more complex and are influenced by various factors. Our results emphasize that farmers should base their planting decisions on considerations such as available land, initial investment, and agricultural biomass yield. This paper urges manufacturers to effectively navigate the complexities of the carbon tax policy and make informed decisions that promote a sustainable energy strategy. By utilizing technological advancements, governments and manufacturers can collect and analyze data on factors such as market size, biomass yield, and carbon tax policy, ultimately working towards a more efficient, productive, and environmentally sustainable future.

To prepare students for multicultural environments and understand consumers from different backgrounds, marketing educators must incorporate diversity into their curricula and recognise the importance of decolonisation by considering First Nations’ perspectives to promote reconciliation and better outcomes. This paper reports on a novel approach of students working directly with First Nations businesspeople to gain an applied understanding of Indigenous cultural learning. The study examines the influence of this approach on students’ learning and cultural understanding, as well as how the teaching approach and authentic assessment design within the unit improve the confidence of students to apply these learnings and engage in culturally informed practices, both presently and in their future careers. Through embracing an applied learning experience and critical self-reflexivity, students gained a greater appreciation and respect for First Nations peoples resulting in a transformational shift in their attitudes, leading to greater empowerment, respect, competence and confidence in their cultural awareness to work with First Nations. The paper fills a gap in the literature by highlighting a teaching and learning approach that engages and builds students’ Indigenous cultural competencies within the marketing discipline through a strength-based approach, thus promoting cultural sensitivity and effective communication with diverse populations.

This paper presents a systematic review of K-12 cybersecurity education literature from around the world. 24 academic papers dated from 2013-2023 were eligible for inclusion in the literature established within the research protocol. An additional 19 gray literature sources comprised the total. A range of recurring common topics deemed as aspects of cybersecurity behavior or practice were identified. A variety of cybersecurity competencies and skills are needed for K-12 students to apply their knowledge. As may be expected to be the case with interdisciplinary fields, studies are inherently unclear in the use of their terminology, and this is compounded in this field due to the pervasive nature of cybersecurity, relevant and important to every person using a digital device. Almost all the studies within the data focused on secondary school settings and it appears the primary school years are largely ignored. This review suggests that most aspects of cybersecurity are not being systematically taught at K-12 around the world.

The Ackerman Institute for the Family, established in 1960 by Dr Nathan Ackerman, stands as one of the oldest and most respected family therapy institutes in the United States. Ackerman pioneered the integration of systemic insights into group settings, emphasised the crucial role of family in therapy, and advocated for the advancement and acceptance of family therapy. ‘The Ackerman’ played a pivotal role in launching Family Process, the first journal dedicated to academic activities in family therapy. Diversity and inclusion have been central tenets of Ackerman philosophy, evident in its programs, training courses, and staff composition. This commitment has produced a veritable cadre of family therapy leaders who have contributed significantly to both the Ackerman Institute and the profession, influencing policy decisions and clinical practices. One of the most esteemed and respected thought leaders and innovators of our field, who played a vital role in the legacy of several institutions, including the Ackerman, is Dr. Evan Imber-Black. She served as a long-time faculty member and director of the Ackerman Center for Families and Health. Her expertise encompasses the exploration of family rituals and family secrets, with a focus on the importance of rituals in providing meaning, identity, and connection across diverse cultures and family life cycles. As editor of Family Process for 8 years, she highlights the importance of examining scholarly work in the context of cultures as a requirement – we do not stand outside the culture – we are active participants. This paper is based on a conversation with Dr Evan Imber-Black, held in June 2023, delving into her personal and professional experiences, her connection to the Ackerman Institute, and her influential work on family rituals and secrets. Through this exploration, the paper sheds light on her commitment to diversity and the lasting impact of Dr Imber-Black's contributions to family therapy.

Identifying rare patterns for medical diagnosis is a challenging task due to heterogeneity and the volume of data. Data summarization can create a concise version of the original data that can be used for effective diagnosis. In this paper, we propose an ensemble summarization method that combines clustering and sampling to create a summary of the original data to ensure the inclusion of rare patterns. To the best of our knowledge, there has been no such technique available to augment the performance of anomaly detection techniques and simultaneously increase the efficiency of medical diagnosis. The performance of popular anomaly detection algorithms increases significantly in terms of accuracy and computational complexity when the summaries are used. Therefore, the medical diagnosis becomes more effective, and our experimental results reflect that the combination of the proposed summarization scheme and all underlying algorithms used in this paper outperforms the most popular anomaly detection techniques.

Conventional statistics methods in most psychological research, such as null-hypothesis significance tests (NHSTs), use aggregated values (i.e., the sample means) of group behaviours to make inferences about individuals. Such inferences are possibly erroneous because groups of humans rarely, if ever, constitute an ergodic system. To assume ergodicity without checking is to commit the ‘ergodic fallacy’. The aim of the current study was to examine the prevalence of this error in contemporary psychological research. We analysed three highly cited ‘Q1’ journals in the fields of clinical, educational and cognitive psychology for statements that indicated this error. As hypothesized, the ergodic fallacy was found in the vast majority of the papers investigated here. We also hypothesised that the prevalence of this error would be highest in cognitive psychology papers because this field typically assesses theoretical claims about universal cognitive mechanisms, whereas clinical and educational psychology are more concerned with empirically supported interventions. This hypothesis was also supported by our results. Nonetheless, the prevalence of the ergodic fallacy was still high in all fields. Implications are discussed with respect to the reporting of research findings and the validity of theories in psychology.

Background: The relationship between nurse staffing, skill-mix and quality of care has been well-established in medical and surgical settings, however, there is relatively limited evidence of this relationship in emergency departments. Those that have been published identified that lower nurse staffing levels in emergency departments are generally associated with worse outcomes with the conclusion that the evidence in emergency settings was, at best, weak. Methods: We searched thirteen electronic databases for potentially eligible papers published in English up to December 2023. Studies were included if they reported on patient outcomes associated with nurse staffing within emergency departments. Observational, cross-sectional, prospective, retrospective, interrupted time-series designs, difference-in-difference, randomised control trials or quasi-experimental studies and controlled before and after studies study designs were considered for inclusion. Team members independently screened titles and abstracts. Data was synthesised using a narrative approach. Results: We identified 16 papers for inclusion; the majority of the studies (n = 10/16) were observational. The evidence reviewed identified that poorer staffing levels within emergency departments are associated with increased patient wait times, a higher proportion of patients who leave without being seen and an increased length of stay. Lower levels of nurse staffing are also associated with an increase in time to medications and therapeutic interventions, and increased risk of cardiac arrest within the emergency department. Conclusion: Overall, there remains limited high-quality empirical evidence addressing the association between emergency department nurse staffing and patient outcomes. However, it is evident that lower levels of nurse staffing are associated with adverse events that can result in delays to the provision of care and serious outcomes for patients. There is a need for longitudinal studies coup

IoT has seen remarkable growth, particularly in healthcare, leading to the rise of IoMT. IoMT integrates medical devices for real-time data analysis and transmission but faces challenges in data security and interoperability. This research identifies a significant gap in the existing literature regarding a comprehensive ontology for vulnerabilities in medical IoT devices. This paper proposes a fundamental domain ontology named MIoT (Medical Internet of Things) ontology, focusing on cybersecurity in IoMT (Internet of Medical Things), particularly in remote patient monitoring settings. This research will refer to similar-looking acronyms, IoMT and MIoT ontology. It is important to distinguish between the two. IoMT is a collection of various medical devices and their applications within the research domain. On the other hand, MIoT ontology refers to the proposed ontology that defines various concepts, roles, and individuals. MIoT ontology utilizes the knowledge engineering methodology outlined in Ontology Development 101, along with the structured life cycle, and estab- lishes semantic interoperability among medical devices to secure IoMT assets from vulnerabilities and cyberattacks. By defining key concepts and relationships, it becomes easier to understand and analyze the complex network of information within the IoMT. The MIoT ontology captures essential key terms and security-related entities for future extensions. A conceptual model is derived from the MIoT ontology and validated through a case study. Furthermore, this paper outlines a roadmap for future research, highlighting potential impacts on security automation in healthcare applications.

How a woman experiences birth is influenced by how she is treated, and who has power and control in the birthing environment. Focus on 'delivery' of an infant disregards the transformative event for the woman, with poorer physical and psychological outcomes. New evidence is needed to understand how to prevent trauma and improve maternal wellbeing.This paper presents a feminist methodology to view the lived experience of caesarean birth. Feminist birthing theories integrated with a phenomenological perspective provide insight for those working in maternity care and create a novel framework for researchers considering the position of women in a medicalised healthcare system. Feminist phenomenology with a theoretical feminist overlay refreshes the methodological framework for a new understanding of how this perinatal event impacts women.

‘Mooditj' known as ‘good' or ‘solid knowledge’ in Noongar language based in Western Australian, is an impact evaluated sexuality education program developed in 2002 by Sexual Health Quarters after an extensive consultation process with WA First Nations populations. The program uses interactive activities designed to educate 11–14–year–old First Nations youth about sexual health, life and relationship skills. In conjunction with local and Indigenous leaders within hilltribe communities, Borderless Friendship Foundation (BFF) and Borderless Friendship WA (BFWA) adapted the Mooditj training program to a hilltribe youth audience. Hilltribe people are the Indigenous culture of Thailand, typically living in remote villages that often have little to no electricity, access to safe water, health services or education. Hilltribe youth are at risk of entering the sex trade due to multiple vulnerabilities as a population and education is recommended to reduce risky sexual behaviours. This paper explores the acceptability of Mooditj program content and delivery to suit the cultural contexts and need of hilltribe communities.

In this paper, we present the results of an investigation into the effects of engaging with robotic telescopes during an Astronomy 101 (Astro101) course in the United States and Canada on the self-efficacy of students. Using an astronomy self-efficacy survey that measures both astronomy personal self-efficacy and instrumental self-efficacy, the authors probed their covariance with the respondents' experience of an Astro101 course that uses robotic telescopes to collect astronomical data. Strong effects on both self-efficacy scales were seen over the period of a semester utilizing a scalable educational design using robotic telescopes. After participation in the course, the results show that the gender gap in self-efficacy between self-identified men and women is largely reduced to statistically insignificant differences compared to the initial large significant difference.

Border Gateway Protocol (BGP) is a standard inter-domain routing protocol for the Internet that conveys network layer reachability information and establishes routes to different destinations. The BGP protocol exhibits security design defects, such as an unconditional trust mechanism and the default acceptance of BGP route announcements from peers by BGP neighboring nodes, easily triggering prefix hijacking, path forgery, route leakage, and other BGP security threats. Meanwhile, the traditional BGP security mechanism, relying on a public key infrastructure, faces issues like a single point of failure and a single point of trust. The decentralization, anti-tampering, and traceability advantages of blockchain offer new solution ideas for constructing secure and trusted inter-domain routing mechanisms. In this paper, we summarize the characteristics of BGP protocol in detail, sort out the BGP security threats and their causes. Additionally, we analyze the shortcomings of the traditional BGP security mechanism and comprehensively evaluate existing blockchain-based solutions to address the above problems and validate the reliability and effectiveness of blockchain-based BGP security methods in mitigating BGP security threats. Finally, we discuss the challenges posed by BGP security problems and outline prospects for future research.

Purpose: To determine whether the 12-item state empathy scale could be modified reliably to measure empathy in healthcare professions students and to detect changes in their empathy owing to a single improvisation (improv) session. Methods: Three cohorts of students from two healthcare professions programs (total = 165 students) participated in an improv session. During the session, one of the researchers (BS) tasked the students with several improv activities. Participants’ self-reported state empathy scores were assessed at three time points (pre-improv, post-improv, and end of semester) using revised, in-class paper versions of the State Empathy Scale. Results: The exploratory factor analysis revealed a single factor solution for the revised scale, justifying the creation of an overall state empathy score from the questionnaire. Cronbach’s alpha reliability values averaged 0.87. Students’ mean empathy scores were higher directly after the improv session than directly prior to the session (p < 0.0001; effect size = r = 0.67, 0.55, and 0.79 for cohorts 1, 2, and 3, respectively). Conclusions: These findings show that a single one- or two-hour improv session can foster substantial increases in healthcare professional students’ state empathy for one another. Greater healthcare professional empathy and compassion foster better healthcare team cooperation and patient outcomes, so healthcare professionals and their students should engage in such empathy-enhancing activities at regular intervals throughout their training and careers.

In recent decades, solar energy systems have played an increasingly important role in human societies, including support of the supply of drinking water, hot water, and electricity in arid, semi-arid and remote communities. The most challenging aspects of solar energy systems are storing energy when it is available and using it when there is a high demand for energy without access to solar energy. Encapsulating phase change materials (PCMs) or nano enhanced PCMs can serve as thermal batteries for storing solar energy, whereby it is important to consider the energy characteristics of various encapsulation methods. This includes taking into account encapsulation materials, such as diameter, enthalpy, efficiency, and heat cycling times, in order to integrate them with solar energy systems. In the present paper, production process methods, characteristics and ingredients of encapsulation are reviewed, followed by evaluation of the effect of the composition of encapsulation PCMs on the performance of solar energy applications in in Middle East and North African countries, including photovoltaic/thermal, solar desalination, solar water heater, solar power plant, solar pond, solar thermochemical reactor, and others. Further, the effects of dispersing various nano powders in PCM (encapsulated nano-enhanced PCM) to increase the thermal properties of thermal batteries are reviewed. In addition, a summary of the economic analysis of thermal batteries and evaluating sustainable development goals of solar energy applications as integrated by encapsulated PCMs/nano-enhanced PCMs are conducted and discussed. We conclude by evaluating the trade-off, synergy, future perspectives, and recommendations of encapsulation PCM used in solar energy applications.

Oilfield chemicals play a pivotal role in optimizing the development of oil and gas resources. Emerging technologies for the controlled release of these chemicals have captured considerable interest among petroleum engineers. Microencapsulation, a method widely employed for controlled release in various industries such as biotechnology, pharmaceuticals, and agriculture, is gaining traction in the realm of oil and gas exploitation. This paper provides a comprehensive review of encapsulation technologies, including solvent evaporation, coacervation, and polymerization methods. Special emphasis is placed on recent advancements in the applications of microcapsules within the oil and gas sector. Given the profound impact of release behavior on storage and engineering performance, the controlled-release mechanisms of environment-responsive microcapsules in challenging reservoir conditions are thoroughly examined. This article concludes by shedding light on potential future research directions for microcapsules in the oil and gas industry, providing valuable insights into intelligent chemical release.

Network updates have become increasingly prevalent since the broad adoption of software-defined networks (SDNs) in data centers. Modern TCP designs, including cutting-edge TCP variants DCTCP, CUBIC, and BBR, however, are not resilient to network updates that provoke flow rerouting. In this paper, we first demonstrate that popular TCP implementations perform inadequately in the presence of frequent and inconsistent network updates, because inconsistent and frequent network updates result in out-of-order packets and packet drops induced via transitory congestion and lead to serious performance deterioration. We look into the causes and propose a network update-friendly TCP (NUFTCP), which is an extension of the DCTCP variant, as a solution. Simulations are used to assess the proposed NUFTCP. Our findings reveal that NUFTCP can more effectively manage the problems of out-of-order packets and packet drops triggered in network updates, and it outperforms DCTCP considerably.

Phase Change Materials (PCMs) enable thermal energy storage in the form of latent heat during phase transition. PCMs significantly improve the efficiency of solar power systems by storing excess energy, which can be used during peak demand. Likewise, they also contribute to reduced overall energy demand through passive thermal regulation. Nonetheless, thermal energy charging and discharging are restricted due to the low conducting nature of the energy storage medium. Various research investigations are being carried out to improve the thermal characteristics of PCMs through techniques such as a) dispersion of nanoparticles, b) inserting fins, and c) cascading PCMs. Among the techniques mentioned above, the dispersion of nanoparticles is reliable and economically viable. These materials are so-called nano-enhanced PCMs (NePCMs) that facilitate the charging and discharging processes of the thermal energy storage (TES) units owing to their improved thermo physical properties and long term stability. This paper presents a comprehensive review with implications and inferences on research conducted using nano-enhanced phase change materials (NePCMs) in recent years. Initially, the article discusses the highly preferred synthesis methods of NePCMs in addition to its morphological and thermophysical characterization techniques. Then, an acute focus on the impact of distinct dimensional nano additives like zero-dimensional (0D), one-dimensional (1D), two-dimensional (2D), and three-dimensional (3D) on inclusion with PCMs are elaborately discussed. A deep discussion on emerging and hybrid nanoparticles dispersed PCMs with emphasis on a) the interaction mechanism of nanoparticle & phase change material (PCM) and b) influences on enhancing the thermophysical properties (melting point, thermal conductivity, latent heat capacity, thermal diffusivity, and thermal stability) of NePCMs are discussed. Indeed, including nanomaterials within the PCM matrix resulted in variations in the

Background Parkinson's disease (PD) is a progressive neurodegenerative disorder that predominantly affects movement and currently has no cure. Alongside medication, non-invasive brain stimulation (NIBS) may be used as an adjunct therapy to attenuate the motor symptoms experienced by people with PD. However, there is considerable heterogeneity in the evidence exploring the effects of NIBS for improving aspects of physical function in people with PD. Therefore, this protocol paper will outline the objectives, structure and procedure of a proposed umbrella review which will comprehensively summarise and map the current body evidence on the effectiveness of NIBS for improving physical function in people with PD. Methods and analysis This study will adhere to the Joanna Briggs Institute (JBI) reviewer's manual and the PRISMA guidelines for conducting an umbrella review. The protocol is registered in PROSPERO (CRD42022380544). The population, intervention, comparison, and outcomes (PICO) method will be used to guide the search strategies and inclusion/exclusion criteria. Systematic reviews, with or without meta-analyses, based on quantitative or mixed-methods studies, will be searched for, and then critically evaluated by two authors using the Assessment of Multiple Systematic Reviews 2 (AMSTAR2) tool. If the data allows, we will run a random effects pooled meta-analysis using standardized mean differences (SMDs), with heterogeneity and publication bias reported using the I2 statistic. We will determine the level of evidence using the GRADE (Grading of Recommendations, Assessment, Development, and Evaluations) tool. Overlap in studies across reviews will be assessed using citation matrices and corrected covered areas (CCAs). Lastly, visual bubble plots will display the effects and strength of evidence from each review. Discussion This umbrella review will be the first to examine the collective evidence on the effectiveness of NIBS in improving physical outcomes for indivi

Peer learning programs are well established as an effective approach to improving students’ learning and wellbeing. However, they can be difficult to implement and grow in practice. This paper describes the introduction of a “just-in-time, just-for-me” Peer Skills Advisers program and how it has evolved over the last five years. The peer staff found that the role improved their sense of belonging and employability but observed that it is challenging to set boundaries with students. The program grew steadily over time as students and staff became more aware of the service, although there is still room for growth in online support.

The world in 2020 presented Australia with a world on fire, in lock down, and in environmental ruin, with potentially unprecedented social dislocation, homelessness, unemployment and mental health issues. Four artists reaction was to collaborate in an attempt to make sense of the complex COVID-19 context that was unfolding in front of them. Their interdisciplinary collaboration resulted in the multimedia artwork: Contested Spaces. Two iterations of the artwork (2020 and 2021) were exhibited as the artists navigated the unfolding spaces inhabited as they learnt to live and cope under the strictures of COVID-19. The 2021 iteration, was part of a national arts and mental health focus consisting of exhibitions, talks and workshops at the National Art School in Sydney and ECU Galleries in Perth. Through Contested Spaces the artists explored the complexity of unique circumstances brought about by the pandemic. Working collaboratively across disciplinary boundaries, created a space in which alternate understandings manifested as a consequence of the situation. This paper argues that the ongoing narrative of COVID-19 needs to be examined and scrutinized, in reconsidering our constant perpetual present, one that contests ideas and art making processes, proffering interdisciplinarity methods as a productive means for critiquing everyday pandemic complexity.

The aim of this paper is to identify the dominant discourses of health and wellbeing that are offered in health education in Swedish schools. Issues of health and wellbeing are covered mainly in four school subjects in Sweden: physical education and health, home and consumer studies, biology, and social studies, and therefore, we interviewed teachers from those subjects to generate data. Six interrelated health discourses were identified from the data. All discourses were, however, also embedded within a health discourse with a comprehensive description of health as physical, psychological and social wellbeing. Results suggest that schools offer a Western and White discourse of health and that some content is overemphasised, and some is missing in relation to other non-dominant discourses of health and wellbeing.

Purpose: Chronic pain is a complex biopsychosocial experience, and rehabilitation helps people to manage pain, and restore valued life roles. Evidence suggests that more positive outcomes occur when clients perceive their rehabilitation to be meaningful. People with chronic pain describe rehabilitation as personally-meaningful when they develop a genuine connection with a credible therapist who they see as a guiding partner, and when rehabilitation holds personal value, is self-defined, and relevant to their sense of self-identity. This paper presents a qualitative study of therapists’ experience using an e-learning package on patient-defined, personally-meaningful rehabilitation. Methods: A qualitative descriptive design was used to explore rehabilitation therapists’ experience of a prototype evidence-informed, online resource developed on the basis of eLearning and web-design principles. Semi-structured interviews and focus groups were conducted with a purposive sample of occupational therapists and physiotherapists, and inductive coding and thematic analysis of transcripts was completed. Findings: Twenty-four therapists (12 occupational therapists, 12 physiotherapists) participated, representing a mix of gender and experience (early career; experienced; and specialist). Four themes and 12 sub-themes emerged from the analysis. The resource delivered a positive user experience, which added (translational) value to enhance learning, and participants were highly positive about the future potential of the resource to translate chronic pain rehabilitation research for early career, experienced, and specialist rehabilitation therapists. Conclusion: Results suggest that the disparate learning needs of rehabilitation therapists from diverse professional backgrounds and experience, may be addressed through the one resource. Participant feedback provides evidence that the resource fits with current models of learning and behaviour change. This study demonstrates the importa

The emergence of cryptocurrencies has caught the attention worldwide. Some parties have considered issuing cryptocurrencies an excellent opportunity to raise capital and other businesses. However, the factors that foster the proliferation of cryptocurrency are not fully explored. This paper documented a comparative case study of USDT (a successful stablecoin) and EOS (a successful non-stable cryptocurrency). Based on our findings and previous literature, we suggested a Technology-Institution-Market (TIM) framework for cryptocurrency proliferation. We also elaborated on previous FinTech product development and adoption theories and provided some practical implications for cryptocurrency investors, issuers and regulators.

This paper focuses on firms in which insiders pledge their shares as collateral for loans. By investigating a natural experiment—China’s enactment of provisions on share reductions that restrict pledge creditors’ cashing-out behavior—we find that pledging firms exhibited more conservative financial reporting after the implementation than non-pledging firms. This effect was pronounced in firms with a higher ratio of pledged shares, a longer maturation period of the pledged shares, and more concentrated pledge creditors. Additionally, we show that pledging firms increased their accounting conservatism after the shock, leading to a lower risk of margin calls and stock price crashes. The effect on accounting conservatism was stronger in firms with controlling pledgers or when the pledge creditors were banks. Our results remained consistent after we performed several robustness tests. These behaviors are economically logical because the provisions heighten creditors’ liquidity risk and the potential losses of loan default. Pledging shareholders embrace more accounting conservatism to mitigate creditors’ concerns about agency costs and avoid triggering margin calls. Our findings provide direct support that creditors have a real demand for accounting conservatism and highlight the impact of shareholder-creditor conflicts on the financial reporting policies of pledging firms.

Background: Integration of mobile health data collection methods into cohort studies enables the collection of intensive longitudinal information, which gives deeper insights into individuals’ health and lifestyle behavioral patterns over time, as compared to traditional cohort methods with less frequent data collection. These findings can then fill the gaps that remain in understanding how various lifestyle behaviors interact as students graduate from university and seek employment (student-to-work life transition), where the inability to adapt quickly to a changing environment greatly affects the mental well-being of young adults. Objective: This paper aims to provide an overview of the study methodology and baseline characteristics of participants in Health@NUS, a longitudinal study leveraging mobile health to examine the trajectories of health behaviors, physical health, and well-being, and their diverse determinants, for young adults during the student-to-work life transition. Methods: University students were recruited between August 2020 and June 2022 in Singapore. Participants would complete biometric assessments and questionnaires at 3 time points (baseline, 12-, and 24-month follow-up visits) and use a Fitbit smartwatch and smartphone app to continuously collect physical activity, sedentary behavior, sleep, and dietary data over the 2 years. Additionally, up to 12 two-week-long bursts of app-based ecological momentary surveys capturing lifestyle behaviors and well-being would be sent out among the 3 time points. Results: Interested participants (n=1556) were screened for eligibility, and 776 participants were enrolled in the study between August 2020 and June 2022. Participants were mostly female (441/776, 56.8%), of Chinese ethnicity (741/776, 92%), undergraduate students (759/776, 97.8%), and had a mean BMI of 21.9 (SD 3.3) kg/m2, and a mean age of 22.7 (SD 1.7) years. A substantial proportion were overweight (202/776, 26.1%) or obese (42/776, 5.4%), had

Currently Australia is experiencing an unprecedented teacher shortage. Increasing and retaining the number of mid-career Initial Teacher Education entrants has been identified as one strategy to combat the shortage. This study examines the psychological needs (autonomy, competence, and relatedness) innate to autonomous forms of motivation to support retention. While there is much research investigating how universities support students’ psychological needs using questionnaires, few have gathered data examining how students articulate their lived experiences, and fewer have examined mid-career students’ perspectives. This paper contributes to the literature by sharing 26 Master of Teaching (Early Childhood, Primary, Secondary) mid-career student perspectives on how a university promoted or hindered their psychological needs. The data, analysed using Critical Discourse Analysis, highlighted moments that students identified as maximising or minimising their autonomy and motivation. Similarities were found with previous research on supporting students’ psychological needs. Additional findings indicated mid-career students desired more control over the pace of their course, and workload issues in some schools during professional experience eroded their teacher-efficacy. Recommendations on how to support mid-career retention are suggested.

A lack of representation of diverse families in children’s books can affirm insecurities and contribute to a sense of “otherness”. This study reports on the representation of family diversity in award-listed Australian children’s picture books. A critical theoretical framework was employed to analyse both texts and images. This study found a lack of diverse family structures in children’s books, especially LGBTIQA+, foster, step and blended families. This paper argues that to ensure inclusive and equitable literacy learning opportunities for all, educators need to go beyond award-listed books when selecting books for early literacy environments.

In Australia, there is insufficient exploration and understanding of how we can strengthen the critical role played by Indigenous fathers. This paper argues that for Indigenous fathers to feel supported in childrearing, greater attention must be given to their social and cultural determinants of health and well-being. To gain insights into the challenges experienced by Indigenous fathers and the support they require in fatherhood, we primarily apply thematic analysis to data from the Longitudinal Study of Indigenous Children (LSIC). The findings reveal that most fathers identify a social or cultural health and well-being determinant challenging their fatherhood journey. We examine these results and suggest why and how appropriately focussing on the social and cultural determinants of health and well-being will enhance and support Indigenous men in fatherhood.

In the wake of the Taliban’s return to power in Afghanistan and its ban on women’s sport, hundreds of Afghan athletes, including several Olympians, decided to flee the country rather than give up their sports and see their rights curtailed. This paper explores how Afghan women now living in Australia navigate agency and aspirations on and off the soccer field within the context of high levels of uncertainty, instability, and constraint. Drawing on qualitative interviews with 18 participants, the results demonstrate how soccer offers an insightful microcosm of settlement as a continuation of a fraught journey. The findings reveal both the multi-layered constraints the women experienced and how they navigated these constraints with creativity, resourcefulness, and aspiration for the future.