“…The construct validity has been studied using different sample sizes (n= 146 vs. n=1,273), in various settings (e.g., mental health, health, correctional service, social service, residential care, educational sector), with participants at different levels (front line providers, administrators, consultants) and diverse cultures (e.g. USA, Europe, Africa, Asia) (13,(23)(24)(25)(26)(27)(28)(29)(30). Different factor models with and without correlated residuals have been tted to the data: a) rst-order models, b) second-order models, and c) a bifactor model.…”