ISSN : 1229-067X
The present study examined the reliability and validity of the Korean Internal Entrapment Scale (K-IES) and Korean External Entrapment Scale (K-EES) developed by Gilbert and Allan(1998). Four hundred and one university students who agreed to take part in this study completed the K-IES and K-EES along with other psychometric measures. The results showed that the Cronbach alpha for the K-IES was .89 and Cronbach alpha for the K-EES was .92, indicating good internal consistencies. Exploratory factor analyses revealed that a single factor structure best fit the K-IES and K-EES, respectively. Each factor accounted for 59.56% of the variance on the K-IES and 51.02% of the variance on the K-EES. Confirmatory factor analysis demonstrated a satisfactory construct validity by showing good factor loadings and squared multiple correlations of each item of the K-IES and K-EES. Fit indices also showed the goodness-of-fit for each model of the K-IES and K-EES. The K-IES and K-EES were significantly correlated with self-criticism, internalized shame, depression, positive affect, negative affect, life satisfaction, and suicidal ideation which supported the convergent and concurrent validity. The K-IES and K-EES maintained a strong association with depression, positive affect and negative affect and life satisfaction, even after controlling for self-criticism and internalized shame. In addition, the K-IES and K-EES added substantially to the explained variance of depression, positive affect, negative affect, life satisfaction and suicidal ideation after controlling for the self-criticism and internalised shame, which supported incremental validity. The current findings suggest that the K-IES and K-EES are a reliable and valid instrument to assess entrapment. limitations of the current study, and future directions for this research were discussed.
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