Supportive evidence for the State Self-Compassion Scale using Japanese samples.

要旨

Self-compassion (SC) is a trait of having a compassionate attitude toward oneself when experiencing a difficult situation. Recent studies focused on its temporal fluctuation; moreover, Neff et al. (2021) developed a scale to assess the state level of SC. Although its psychometric reliability and validity were confirmed, it was unclear whether it could be adopted in diverse samples. Therefore, we aimed to provide additional evidence using Japanese samples that are recognized as having a high propensity for self-criticism. Study 1 (preregistered) and Study 2 compared several factor models of the scale and demonstrated that the bifactor model using exploratory structural equation modeling (ESEM) was the best solution. Moreover, the state scale performed better in predicting affect than the trait SC, supporting the incremental validity. Most of the correlations with the trait SC and the positive/negative affect were nearly as expected. In Study 3, an experimental induction of SC indicated that those in the SC condition experienced an improved state SC after the writing tasks, whereas those in the control condition did not. Study 4 replicated these results and revealed that state SC was more easily improved by the writing manipulation than trait SC. Most of the previous research's results were replicated; furthermore, additional supportive evidence was established across the four studies. We suggest the utility of the State Self-Compassion Scale and discuss some different findings obtained from the Western samples from a cultural perspective. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

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