OBJECTIVE: To examine the factor structure of Attention-Deficit/Hyperactivity Disorder (ADHD) in a clinical sample of 1373 children and adolescents with ADHD and their 1772 unselected siblings recruited from different countries across a large age range. Hierarchical and correlated factor analytic models were compared separately in the ADHD and sibl...
Published in The Journal of applied psychology
The organizational justice literature has consistently documented substantial correlations between organizational justice and employee depression. Existing theoretical literature suggests this relationship occurs because perceptions of organizational (in)justice lead to subsequent psychological health problems. Building on recent research on the af...
One major challenge in international survey research is to ensure the equivalence of translated survey instruments across different cultures. In this study, we examine empirically the extent to which equivalence of survey instruments to measure human values can be established across cultures sharing the same language as opposed to cultures having a...
Self-determination theory (SDT; Deci & Ryan. 2000) proposes that intrinsic, relative to extrinsic, goal content is a critical predictor of the quality of an individual's behavior and psychological well-being. Through three studies, we developed and psychometrically tested a measure of intrinsic and extrinsic goal content in the exercise context: th...
