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Objectives: To (1) examine whether reducing discrepancies between goal importance and goal attainability is an adaptive predictor of well-being, (2) investigate intrusion, awareness, optimism, and pessimism as determinants of reducing discrepancies between goal importance and goal attainability, and (3) explore how goal progress is involved in reducing discrepancies between goal importance and goal attainability during two major periods after a colorectal cancer diagnosis., Design: Prospective design., Methods: Newly diagnosed colorectal cancer patients (n = 120) were interviewed three times: within a month, 7 months (treatment period), and 18 months (follow-up period) post-diagnosis. Data were analysed using multiple regressions., Results: Results showed that (1) reducing discrepancies enhances well-being, (2) optimism and pessimism are predictors of reducing discrepancies during the treatment period but not during the follow-up period, while intrusion and awareness do not predict reducing discrepancies in either period, and (3) goal progress is a predictor of reducing discrepancies during the follow-up period, but no evidence for a moderating or mediating role of goal progress in the relation between psychological characteristics and reducing discrepancies was found., Conclusions: Reducing discrepancies between goal importance and goal attainability could benefit colorectal cancer patients' well-being. Optimism, pessimism, and goal progress appear to influence cancer patients' ability to reduce discrepancies. Providing assistance in improving goal progress to those who are less optimistic and highly pessimistic may be a suitable training for cancer patients to prevent deterioration in well-being. Statement of contribution What is already known on this subject? More discrepancy between goal importance and goal attainability is associated with lower levels of well-being. People are able to change evaluations of importance and attainability, but it is unknown whether this positively impacts well-being. Underlying causes of differences in the extent to which discrepancies between goal importance and goal attainability are reduced are unknown. What does this study add? This is the first study to show that reducing discrepancies between goal importance and goal attainability is beneficial for well-being. This is the first study to show that optimism and pessimism are determinants of reducing discrepancies between goal importance and goal attainability. Goal progress might be an effective target for interventions that aim to facilitate one's ability to reduce discrepancies between goal importance and goal attainability., (© 2017 The British Psychological Society.)

Objectives: Most studies on fatigue in patients with cancer aggregate its prevalence and severity on a group level, ignoring the possibility that subgroups of patients may differ widely in their development of fatigue. This study aimed to identify subgroups of patients with clinically distinct trajectories of fatigue from diagnosis to 18 months post-diagnosis. As fatigue might trigger goal disturbance, the study also identified trajectories of concrete and abstract goal disturbance and longitudinally examined their co-occurrence with fatigue., Design: Prospective design with quantitative and qualitative method of data collection., Methods: Patients with colorectal cancer (n = 183) reported on their levels of fatigue and goal disturbance shortly after diagnosis (T 1 ) and at 7 months (T 2 ) and 18 months (T 3 ) post-diagnosis. Growth mixture model analyses were performed to identify trajectories of fatigue and goal disturbance. Guidelines for the clinical relevance of fatigue were applied., Results: Four clinically distinct trajectories of fatigue were identified as follows: (1) persistent severe fatigue (25.4%), (2) moderate fatigue (56.1%), (3) no fatigue (13.8%), and (4) rapidly improving fatigue (4.7%). The majority of patients with cancer reported high disturbance of their concrete goals, while high disturbance of abstract goals was less evident. Fatigue and concrete goal disturbance co-occurred longitudinally., Conclusions: The fatigue and goal disturbance experienced from diagnosis to 18 months post-diagnosis differ considerably for subgroups of patients with cancer. Fatigue and concrete goal disturbance are persistent burdens in the majority of patients. Investigating symptom burden beyond average trends can guide clinicians to identify patients most in need for treatment. Targeting goal disturbance might benefit the psychological well-being in patients suffering from persistent symptoms. Statement of contribution What is already known on this subject? Fatigue is a common and distressing symptom at all stages of the cancer experience. Earlier studies suggest that many patients recover from fatigue after treatment completion. Patients with cancer experience disturbance in their personal goals, which is related to poor psychological well-being. What does this study add? Developments of fatigue and goal disturbance differ between subgroups of patients with cancer but co-occur within these subgroups. About 30% of the patients experience severe fatigue after diagnosis, of which only few patients recover within 18 months post-diagnosis. Targeting goal disturbance might benefit patients with severe and ongoing symptoms., (© 2017 The British Psychological Society.)

Objectives: Theory has offered suggestions on how people may adjust their personal goals after goal disturbance or altered life situations. However, the actual use of these goal adjustment strategies has rarely been studied. This study aimed to investigate whether the goal adjustment strategies identified in the literature are used in the first 6 months following a diagnosis of cancer and whether alternative strategies can be identified., Design: Exploratory design with a qualitative method of data collection., Methods: Patients were asked to list their current personal goals within a month after being diagnosed with colorectal cancer. Six months later, they were asked what had happened to each of these goals. For each goal, raters scored whether (1) it was achieved or being pursued as planned, (2) a known strategy was used, or (3) an alternative strategy was used., Results: Patients with colorectal cancer (n = 130) reported that more than half of their goals had been achieved or were being pursued as planned. The remaining goals (n = 210) required goal adjustment strategies. Patients used five of six known strategies that involved mostly limited adjustment. Additionally, they used combinations of goal adjustment strategies, and two alternative strategies were identified., Conclusions: This study found that patients with cancer use goal adjustment strategies, and it provides illustrations on how these strategies are used, thus deepening and extending existing knowledge of and theory on goal adjustment. Future studies should take the newly identified strategies into account as well as the possible use of combinations of strategies., Statement of Contribution: What is already known on this subject? The successful pursuit of personal goals is important for maintaining well-being. However, an unexpected and serious illness such as cancer can lead to the need to adjust goals, either because they have become difficult or impossible to attain due to physical hindrance of the illness and/or its treatment, or because other goals have become important due to the confrontation with the fragility of life. Theories have proposed options of how people may deal with their personal goals, but whether these so-called goal adjustment strategies are actually used by cancer patients, and whether there are alternative strategies we need to take into account, is still unclear. What does this study add? This study employs a qualitative method of data collection to study what actually happens to cancer patients' goals during the first 6 months after diagnosis. This study found that almost all goal adjustment strategies from theory are indeed used by cancer patients and that they mostly use strategies which involve only limited adjustment and a continued focus on the original goal. We found that patients with cancer use combinations of strategies and two alternative strategies, thereby complementing and expanding theories on goal adjustment., (© 2015 The British Psychological Society.)

Objectives: Dispositional optimism is often considered to be a unidimensional construct. Recent studies suggest, however, that optimism and pessimism are separate dimensions. In this study we investigated two issues. First, the levels of optimism and pessimism in adolescents with cancer compared with healthy controls and second, the individual effects of optimism and pessimism on concurrent and longitudinal well-being., Design: A matched case-control design was used to examine whether adolescents with cancer and healthy adolescents differed with regard to optimism and pessimism. The second part of the study was employed in a prospective design with assessments in the patient group at 3 and 6 months post-diagnosis., Methods: Thirty-three adolescents with cancer (3 months post-diagnosis) and 66 matched controls completed a measure on dispositional optimism (i.e., optimism and pessimism). In addition, patients completed measures on positive and negative aspects of well-being at 3 and 6 months post-diagnosis., Results: Although adolescents with cancer were not more optimistic than their healthy peers, they were significantly less pessimistic. Zero order and semi-partial correlations showed that optimism and pessimism are related to different aspects of well-being. Specifically, we found a cohesive pattern in which optimism predicts positive aspects and pessimism negative aspects of well-being., Conclusions: The high levels of overall optimism often found in patients with cancer might in fact result from low pessimism instead of high optimism. Furthermore, as our study shows that optimism and pessimism are differentially associated with aspects of well-being, it provides strong support for the bidimensionality of dispositional optimism., (© 2012 The British Psychological Society.)