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Ruscio, John; Walters, Glenn D.; Marcus, David K.; Kaczetow, Walter – Psychological Assessment, 2010
A number of recent studies have used Meehl's (1995) taxometric method to determine empirically whether one should model assessment-related constructs as categories or dimensions. The taxometric method includes multiple data-analytic procedures designed to check the consistency of results. The goal is to differentiate between strong evidence of…
Descriptors: Methods, Comparative Analysis, Data Analysis, Reliability
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Greco, Laurie A.; Lambert, Warren; Baer, Ruth A. – Psychological Assessment, 2008
The authors describe the development and validation of the Avoidance and Fusion Questionnaire for Youth (AFQ-Y), a child-report measure of psychological inflexibility engendered by high levels of cognitive fusion and experiential avoidance. Consistent with the theory underlying acceptance and commitment therapy (ACT), items converged into a…
Descriptors: Construct Validity, Validity, Measures (Individuals), Item Analysis