Reliability and validity of the Japanese version of the Prioritizing Positivity Scale

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  • 日本語版Prioritizing Positivity Scaleの信頼性・妥当性の検討

Abstract

<p>Prioritizing positivity is a trait that measures the extent to which people deliberately arrange their lives to include frequent, pleasant experiences. Prioritizing positivity predicts life satisfaction and positive emotions, and it also contributes to an individuals' pursuit of happiness. Two studies tested the reliability and validity of the Japanese version of the Prioritizing Positivity Scale (PPS-J). In Study 1, we tested the factorial and construct validity of PPS-J by using data from a web survey conducted with 416 participants. The results indicated that the PPS-J had a one-factor structure similar to the original version. Moreover, the PPS-J had a positive correlation with life satisfaction and positive emotions, whereas it had a negative correlation with depressive symptoms and negative emotions. In Study 2, we examined the test-retest correlation of the PPS-J with 212 participants. Results indicated a moderate correlation after one month. These results suggest that the PPS-J has good reliability and validity.</p>

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