In contrast to modern trait theories, those rooted in psychoanalytic ideas have tended to emphasize the potential role of early development in shaping personality. Sigmund Freud, the father of ...

Intelligence sounds like a trait but what if it’s just behavior shaped by opportunity, reinforcement, and environment?

Trait evolution is not predictable ... Although the ladder of life idea was central to the evolutionary theories advanced by many of his predecessors, Charles Darwin largely rejected the ladder ...

How could this trait be explained? And did this fly disprove the basic premise of the chromosome theory? In the Morgan lab's search to make sense of the white-eyed female, Lilian Vaughn Morgan ...

In common day talk we use the word personality often, ostensibly to describe characteristics that we like or dislike about other individuals. But is personality an enduring pattern of behavior or ...