The cognitive-affective personality system or cognitive-affective processing system (CAPS) is a contribution to the psychology of personality proposed by Walter Mischel and Yuichi Shoda in 1995. According to the cognitive-affective model, behavior is best predicted from a comprehensive understanding of the person, the situation, and the interaction between person and situation.
Cognitive-affective theorists argue that behavior is not the result of some global personality trait; instead, it arises from individuals' perceptions of themselves in a particular situation.
However, inconsistencies in behavior are not due solely to the situation; inconsistent behaviors reflect stable patterns of variation within the person. These stable variations in behavior present themselves in the following framework: If A, then X; but if B, then Y. People's pattern of variability is the behavioral signature of their personality, or their stable pattern of behaving differently in va