The current study examined whether the Avoidance and Fusion Questionnaire for Youth (AFQ-Y; L. A. Greco, W. Lambert, & R. A. Baer, 2008), a self-report measure of psychological inflexibility for children and adolescents, might be useful for measuring psychological inflexibility for adults. The psychometric properties of the AFQ-Y were examined…

Many psychological scales written in the Likert format include reverse worded (RW) items in order to control acquiescence bias. However, studies have shown that RW items often contaminate the factor structure of the scale by creating one or more method factors. The present study examines an alternative scale format, called the Expanded format,…

Based on three independent samples of high school adolescents in central Canada, aged 12 to 18 years, exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were used to identify, test, and cross-validate first-order and second-order factorial structures underlying the Beck Depression Inventory (BDI). Specifically, the study…

A study of the Beck Depression Inventory (BDI) was conducted to: (1) test for the factorial validity of the French version of the BDI (BDI-FR) separately for 551 non-clinical Francophone adolescent males and 601 non-clinical Francophone adolescent females; (2) cross-validate findings across a second independent sample for each sex; and (3) test…

The aims of the present study were threefold: (1) to test for the equivalency of an hierarchical three-factor structure of the Beck Depression Inventory (BDI) across English and French versions for non-clinical adolescents; (2) given evidence of poor model fit, to validate the factorial structure of the BDI French version across three independent…