The authors describe 2 studies on the development of the Dyadic Almost Perfect Scale (A. J. Shea & R.B. Slaney, 1999). In Study 1 (N = 389), confirmatory analyses validated the factor structure of the measure, and additional results supported the reliability and construct validity of the subscale scores. In Study 2 (N = 280). data again supported the reliability and construct validity of the subscale scores.
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Shea et al. (2006) studied this question.
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