List of psychological schools
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The psychological schools are the great classical theories of psychology. Each has been highly influential; however, most psychologists hold eclectic viewpoints that combine aspects of each school.
Most influential
The most influential ones and their main founders are::
- Behaviorism: John B. Watson
 - Cognitivism: Aaron T. Beck, Albert Ellis
 - Functionalism: William James
 - Humanistic/Gestalt: Max Wertheimer
 - Psychoanalytic school: Sigmund Freud
 - Systems psychology: Gregory Bateson, Felix Guattari
 
Complete list
The list below includes these, and other, influential schools of thought in psychology:
- Activity-oriented approach
 - Analytical psychology
 - Anomalistic psychology
 - Anti-psychiatry
 - Associationism
 - Behaviorism (see also radical behaviorism)
 - Behavioural genetics
 - Bioenergetics
 - Biological psychology
 - Biopsychosocial model
 - Cognitivism
 - Constructivism
 - Cultural-historical psychology
 - Depth psychology
 - Descriptive psychology
 - Developmental psychology
 - Ecological psychology
 - Ecological systems theory
 - Ecopsychology
 - Ego psychology
 - Environmental psychology
 - Evolutionary psychology
 - Existential psychology
 - Experimental analysis of behavior - the school descended from B.F. Skinner's work
 - Functionalism
 - Gestalt psychology
 - Gestalt therapy
 - Humanistic psychology
 - Individual psychology
 - Industrial psychology
 - Liberation psychology
 - Logotherapy
 - Organismic psychology
 - Organizational psychology
 - Phenomenological psychology
 - Process psychology
 - Psychoanalysis
 - Psychohistory
 - Psychology of self
 - Radical behaviorism - often considered a school of philosophy, not psychology
 - Social psychology (sociocultural psychology)
 - Strength-based practice
 - Structuralism
 - Systems psychology
 - Transactional analysis
 - Transpersonal psychology
 
