Construct validity of Life Satisfaction Index A Japanese version

Abstract

The purpose of this study was to examine the factorial invariance of the life satisfaction index A (LSIA) Japanese version. Two hundred seventy-one subjects aged 51 to 96, filled out all questionnaries by themselves, were applied in this study. The fitness level of model was examined by the analysis of covariance structure. As a result second-order factorial model, structured by three-factor (Mood tone, zest of life, Congruence) and eleven variables, was most suitable for our data and cross-validation of the life satisfaction index A was supported.