Actors Ellen Pompeo, Sandra Oh, Katherine Heigl, Justin Chambers, and T.R. Knight reprised their roles as surgical interns Meredith Grey, Cristina Yang, Izzie Stevens, Alex Karev, and George O'Malley, respectively, continuing their expansive storylines as focal points throughout the season.
From Wikipedia, the free encyclopedia. In psychology, trait theory (also called dispositional theory) is an approach to the study of human personality. Trait theorists are primarily interested in the measurement of traits, which can be defined as habitual patterns of behavior, thought, and emotion.n some theories and systems, traits are something a person either has or does not have, but in many others traits are dimensions such as extraversion vs. introversion, with each person rating somewhere along this spectrum.
14 Comments: The difference between the latent trait theory and the developmental theory is that the trait theory is a stable feature, characteristic, property, or condition, such as defective intelligence or impulsive personality, that makes some people delinquency-prone over the life course.evelopmental theory is the view that criminality is a process that changes through social activity and individuality. Latent trait theory is the idea that everything performed is inherited through the parent after childbirth.