Validity and Reliability of the Japanese Version of the Self Esteem Inventory.

Abstract

The aim of this study was to examine the reliability and validity of the Japanese version of the Self Esteem Inventory (SEI) for use in Japan. Internal consistency and split-half for the scales' reliability, criterion-related validity and construct validity were tested on 244 primary school children. At the same time, the subjects responded to the Father, Mother and Child Relationship Inventory (FMCI) and the General Anxiety Test (GAT) questionnaires. Cronbach's α coefficient for each of the above three scales was 0.84, 0.94, and 0.93, respectively, and the split-half was 0.80, 0.91, and 0.85, respectively, indicating satisfactory reliability. No difference was observed between male and female for the SEI or the FMCI but a significant difference was observed between the sexes in the GAT results (p<0.01). Criterionrelated validity was supported by significant correlation of the SEI and the FMCI (r=0.49, p<0.01), and of the SEI and the GAT (r= 0.50, p<0.01). The results of factor analysis, however, showed construct validity to be extremely low, negating the validity of the Japanese version of the SEI and indicating room for further study. The results also demonstrated a need to clarify the constructs for self-esteem.

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“…The test-retest reliability coefficients of the SEI have been reported to be 0.88 [25,26], 0.80 and 0.82 [27], and 0.76 to 0.85 [28]. The Cronbach alpha coefficient for the instrument's internal consistency has been reported as 0.84, and the split-half reliability as 0.80 [29].…”

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“…Reported Cronbach coefficient αs for test–retest reliability were .72 and .85; α coefficient for parallel form reliability with Piers Self-Concept Scale was .86 (Chiu, 1985). Tahara, Okita, Tsurusaki, Inokuchi, and Higashi (1997) reported the Cronbach’s α coefficient to be .84 and the spilt-half reliability as .80.…”