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As humanity reaches the 5.0 industrial revolution, education plays a critical role in boosting the quality of human resources. This paper reports bibliometric research on emerging TiP during 1993-2022 in the educational field to analyse its development on any level of education during the last three decades. This study employed a Scopus database. The findings are that the trend of TiP publication in educational fields has tended to increase every year during the past three decades and conference paper became the most published document type, the USA is the country which produces the most publications; "Students" being the most occurrences keyword and total link strength. The publication of the TiP is ranked to the Quartile 1, which implies that a publication with the cited performance is a publication with credibility because the publisher has a good reputation. Researchers can find the topics most relevant to other metadata sources such as Web of Science, Publish, and Perish.

Initiatives aimed at improving STEM education have largely focused on school-based programs, with the majority of STEM professional development targeting primary and secondary school educators. However, there is growing interest in STEM education in the early childhood years. This paper reviews the available evidence to explore the extent to which early childhood STEM professional learning programs are represented in the research literature. The review examines: 1. The emergence of research focused on STEM professional learning for early childhood educators; 2. The characteristics of these professional learning programs; and 3. The research evidence for the efficacy and impact of these programs. Using a scoping review methodology, our search yielded only 22 papers for analysis, with most of the studies published in the last seven years of the review period. Different views and definitions of STEM were evident across the studies, with few explicitly describing the integration of the four STEM disciplines. The majority of papers reported a workshops/in-service training approach. Unanimously, the 22 studies reported positive outcomes from the participants' engagement with early childhood STEM professional learning. However, the small number of research papers available for review confirms the need to build the evidence base for early childhood STEM professional learning.

Purpose: Microteaching is a teacher training method based on microclasses (groups of four or five students) and microlessons lasting no more than 5-20 min. Since it was first explored in the late 20th century in experiments at Stanford University, microteaching has evolved at the interdisciplinary level. The purpose of this paper is to examine the networks found via an analytical bibliometric study of the scientific output related with microteaching in teacher training, through a study and examination of the Web of Science database. Design/methodology/approach: This research was conducted with the VOSviewer tool for content analysis through data mining and scientific network structure mapping by means of the normalisation technique. This technique is based on the association strength indicator, which is interpreted as a measurement of the similarity of the units of analysis. Findings: Two hundred and nine articles were thus obtained from the Web of Science database. The networks generated and the connections among the various items, co-authorship and co-citation are presented in the results, which clearly indicates that there are significant authors and institutions in the field of microteaching. The largest cluster is made up of institutions such as Australian Catholic University. The most often-cited document is by Rich and Hannafin. Allen (1968), who defines microteaching as a technique based on microclasses and microlessons, is the author most often cited and has the largest number of connections. Research limitations/implications: This research's limitations concern either aspects that lie beyond the study's possibilities or goals that have proved unattainable. The second perspective, which focuses on skill transfer, contains a lower percentage of documents and therefore has a weaker central documentary structure. Lastly, the authors have also had to bear in mind the fact that the scientific output hinges upon a highly specific realm, the appearance and/or liberalisation of digital technologies and access to those technologies in the late 20th century. Originality/value: This research shows that microteaching is a promising area of research that opens up vast possibilities in higher education teacher training for application in the realm of technologies. This paper could lead to several lines of future research, such as access to and the universal design of learning from the standpoint of different communication and pedagogical models based on microteaching.