Self-complexity, a measure of self-concept structure consisting of number of self-aspects and relatedness of self-aspects, was compared in the United States and South Korea. University students in each country completed measures of self-complexity and self-construal. In two studies, participants from South Korea had more self-aspects and overall self-complexity (as measured by H) than participants from the United States. Self-construal was not responsible for these differences. In addition, a comparison of previous self-complexity research carried out in different countries supports the conclusion that people from East Asian countries have more self-aspects than people from the United States. The results are discussed in terms of broader cultural differences in psychological phenomena.
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