The three all seek to explain the process that causes personality to form into its unique characteristics, whereas trait theorists are more concerned with the end result---the characteristics themselves
Generalized neuropsychic structures peculiar to the individual, with the capacity to render many stimuli functionally equivalent, and to initiate and guide consistent forms of adaptive and stylistic behavior
Allport believed that most people are motivated by present drives rather than by past events and are aware of what they are doing and have some understanding of why they are doing it