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Philosophy Philosophy can be defined as the investigation (or study) of the nature, causes, or principles of reality, knowledge, or values, based…

Philip Zimbardo Philip Zimbardo (1933 – ) is known for leading the Stanford Prison Study, a controversial experiment that investigated the psychological…

Phi Phenomenon Ah Christmas, such a warm, family-oriented, wonderful time. And a time of visual illusion! One such visual illusion is the…

Phenotype Phenotype refers to the visible expression of the information contained in a person’s genetic code (known as genotype). This includes whatever…

Phallic Stage One of Freud’s five psychosexual stages of development where pleasure is centered around the genital region. The phallic stage is…

Person-Centered Therapy Created by Carl Rogers, this form of humanistic therapy deals with the ways in which people perceive themselves consciously rather…

Personality Disorders People with personality disorders have personalities that are outside social norms. Very often these people are not even aware that…

Personality Personality is a person’s unique behavioral and cognitive patterns; OR, a person’s unique consistent pattern of thinking, feeling, and acting. For…

Peripheral Nervous System The peripheral nervous system controls all voluntary and involuntary muscles and glands. Essentially, the peripheral nervous system contains all…

Performance Appraisal A process in where an individual’s performance is scored and feedback is given. A large component in psychology is trying…