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Biological
The application of the principles of biology to the study of physiological, genetic, and developmental mechanisms of behavior in humans and other animals.
Wiliam James -
Psychodynamic
an approach to psychology that emphasizes systematic study of the psychological forces that underlie human behavior, feelings, and emotions and how they might relate to early experience. It is especially interested in the dynamic relations between conscious motivation and unconscious motivation.
Sigmund Freud -
Humanistic
emphasizes individuals' inherent drive towards self-actualization, the process of realizing and expressing one's own capabilities and creativity.
Carl Rogers, Abraham Maslow -
Behaviorism
a systematic approach to understanding the behavior of humans and other animals. It assumes that all behaviors are either reflexes produced by a response to certain stimuli in the environment, or a consequence of that individual's history, including especially reinforcement and punishment, together with the individual's current motivational state and controlling stimuli.
John Watson, B.F. Skinner, Ivan Pavlov -
Cognitive
the scientific study of mental processes such as "attention, language use, memory, perception, problem solving, creativity, and thinking".
Jean Piaget, Carl Wernicke, Paul Broca
