Authorship：Lead author   Language：Japanese   Publishing type：Research paper (international conference proceedings)   Publisher：(公社)日本心理学会  

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Authorship：Lead author  

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：PERGAMON-ELSEVIER SCIENCE LTD  

Past research has suggested that self-insight functions as a genuine factor to enhance psychological adjustment. However, because most of the previous studies had used a cross-sectional design, a prospective study was warranted to establish the temporal and causal relationship between self-insight and depressive symptoms. Another important issue was that there seems to be a moderator that influences the adaptive function of self insight. Stein and Grant (2014) suggested that positive self-evaluation mediates the association between self insight and well-being. This result could imply that self-insight does not lead to well-being with negative self evaluation. In this study, therefore, we conducted a longitudinal questionnaire survey to examine the prospective effect of self-insight on future depressive symptoms with self-complexity as a putative moderator. A complete dataset of 93 Japanese undergraduates was analyzed. The prospective analysis showed a significant moderating role of negative self-complexity in the associations among self-insight, depressive symptoms, and stress; people with high self-insight and low negative self-complexity were less likely to be influenced by stressors, whereas those with high self-insight and high negative self-complexity showed significant increases in depressive symptoms after stressful experiences. These findings implicate that the adaptive effect of self-insight can be conditional depending on the extent of negative self-complexity.

DOI： 10.1016/j.paid.2017.08.033

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：ELSEVIER IRELAND LTD  

Maladaptive forms of self-focus, such as rumination, are considered transdiagnostic factors that contribute to depressive and anxiety symptoms. However, no or few studies have explored the possibility that adaptive forms of self-focus can also be a common factor that is negatively associated with depressive and anxiety symptoms. To test this possibility, we first examined the psychometric properties of a scale measuring adaptive forms of self focus (the Self-Reflection and Insight Scale) on Japanese undergraduates (n=117). We replicated the two-factor structure of the scale: (a) self-reflection, which is a tendency to focus purposefully on self for self-regulation, and (b) insight, which is a sense of clear self-understanding. Second, we tested our specific hypothesis that these two factors negatively predict a common factor of depressive and anxiety symptoms. The results of structural equation modeling showed that insight (but not self-reflection) has a significant negative association with a latent variable that explains both depressive and anxiety symptoms. Furthermore, this common-factor model explained the data better than a control model in which insight predicts depressive and anxiety symptoms individually. These results suggest that (lack of) insight plays an important role in psychological (mal) adjustment as a shared process in depressive and anxiety symptoms.

DOI： 10.1016/j.psychres.2017.01.026

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Authorship：Lead author   Language：Japanese   Publisher：The Japanese Psychological Association  

Previous studies have shown that two types of private self-consciousness result in opposing effects on depression; one of which is self-rumination, which leads to maladaptive effect, and the other is self-reflection, which leads to an adaptive effect. Although a number of studies have examined the mechanism of the maladaptive effect of self-rumination, only a few studies have examined the mechanism of the adaptive effect of self-reflection. The present study examined the process of how self-reflection affected depression adaptively. Based on the previous findings, we proposed a hypothetical model assuming that hardiness acts as a mediator of self-reflection. To test the validity of the model, structural equation modeling analysis was performed with the cross-sectional data of 155 undergraduate students. The results suggest that the hypothetical model is valid. According to the present results and previous findings, it is suggested that self-reflection is associated with low levels of depression and mediated by "rich commitment", one component of hardiness.

DOI： 10.4992/jjpsy.86.14320

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Other Link： https://jlc.jst.go.jp/DN/JLC/20016478822?from=CiNii

Authorship：Lead author  

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Language：Japanese   Presentation type：Other  

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Language：English   Presentation type：Oral presentation (general)  

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