![]() This generally increases the variance of item scores, and possibly changes the covariance between items. ![]() The EDI-3 revision yields adequate convergent and discriminant validity (Cumella 2006). Since 2004 many studies have used the new EDI-3 version, yet the present study is to our knowledge the first one to independently test the factor structure, the internal consistency as well as discriminative and cross-cultural validity. Furthermore, it is claimed that the factor structure of the EDI-3 captures important clinical aspects of the psychopathology of eating disorders yet at present, no independent test of this factor structure has been conducted.
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June 2023
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