The APA Thesaurus offers the following definition: Analysis, evaluation or prediction of disordered or abnormal behavior, symptoms, or other aspects of psychological functioning, includes assessing the appropriateness of a particular treatment and the degree or likelihood of clinical improvement.
Preconceived definition, to form a conception or opinion of beforehand, as before seeing evidence or as a result of previously held prejudice. See more. Dictionary.com
[more precocious; most precocious] of a child. : having or showing the qualities or abilities of an adult at an unusually early age. She was a precocious child who could read before she went to school. A precocious musician, he was giving concerts when he was seven.