Ce in 3 samples, two accounted for special variance in two samples (assertiveness and traitDISCUSSION Decades ago, Cronbach and Meehl (1955) noted that there is no sufficient criterion for operationally defining character traits and also other psychological constructs, which prompted their concept of construct validity. Inside the present day,Eur. J. Pers. 29: 424 (2015) DOI: ten.1002/per2014 The