AP PSYCHOLOGY

Detailed explanation-1: -Raymond B. Cattell described them in terms of opposing tendencies, such as cool verses warm, dominant verses passive, etc. According to Cattell, ways of expressing aggression differ among different individuals and its root lies in source trait of aggression.

Detailed explanation-2: –According to Cattell “Source traits are more important than surface traits”.-Surface traits are identified by the interaction of source traits and are less stable than factors.-After the factor analysis, Cattell found out 16 source traits that contribute to the underlying nature of personality.

Detailed explanation-3: -According to Cattell, traits and types are not fundamentally different, but rather opposite extremes of the same statistical measures. The fundamental, underlying traits are known as source traits. Source traits often combine and/or interact in ways that appear, on the surface, to indicate a single trait.