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History of Psychology Timeline
(1879 - Present)Foundational Discoveries
Wilhelm Wundt establishes the first psychology laboratory
1879
Wilhelm Wundt, often regarded as the father of experimental psychology, establishes the first psychology laboratory at the University of Leipzig, Germany. This marks the beginning of psychology as a scientific discipline.
Image source: Wilhelm Wundt
Edward Thorndike's law of effect
1898
Edward Thorndike formulates the law of effect, stating that behaviors followed by positive consequences are more likely to be repeated, while behaviors followed by negative consequences are less likely to be repeated.
Image source: Edward Thorndike
Sigmund Freud introduces psychoanalysis
1899
Sigmund Freud publishes "The Interpretation of Dreams," introducing psychoanalysis as a method for understanding the unconscious mind and revolutionizing the field of psychology.
Image source: Sigmund Freud
Ivan Pavlov's experiments on classical conditioning
1903
Ivan Pavlov's experiments with dogs demonstrate classical conditioning, showing how behaviors can be learned through associations between stimuli and responses.
Image source: Ivan Pavlov
John B. Watson's "Little Albert" experiment
1920
John B. Watson conducts the "Little Albert" experiment, demonstrating the principles of classical conditioning by conditioning a fear response in a young child.
Image source: John B. Watson
B.F. Skinner's operant conditioning experiments
1938
B.F. Skinner conducts experiments on operant conditioning, demonstrating how behavior can be shaped through reinforcement or punishment.
Image source: B. F. Skinner
Stanley Schachter's two-factor theory of emotion
1962
Stanley Schachter proposes the two-factor theory of emotion, suggesting that emotions are the result of physiological arousal combined with cognitive interpretation.
Image source: Stanley Schachter
Prominent Figures
Carl Rogers introduces client-centered therapy
1942
Carl Rogers develops client-centered therapy, emphasizing the importance of empathy, unconditional positive regard, and active listening in therapeutic relationships.
Image source: Carl Rogers
Harry Harlow's experiments on attachment in monkeys
1958
Harry Harlow conducts experiments on infant rhesus monkeys, demonstrating the importance of social and emotional bonds in early development.
Image source: Harry Harlow
Stanley Milgram's obedience experiments
1961
Stanley Milgram conducts a series of controversial experiments on obedience, revealing the willingness of individuals to obey authority figures, even when it conflicts with their personal conscience.
Image source: Milgram experiment
Key Facts
- 1879: Wilhelm Wundt establishes the first psychology research laboratory in Leipzig, Germany.
- 1900: Sigmund Freud publishes 'The Interpretation of Dreams,' introducing psychoanalysis.
- 1913: John B. Watson publishes 'Psychology as the Behaviorist Views It,' marking the beginnings of behaviorism.
- 1957: Abraham Maslow introduces the concept of self-actualization and the hierarchy of needs in his publication 'Motivation and Personality.'
- 1967: Martin Seligman pioneers the field of positive psychology, focusing on human strengths and positive emotions.
Source
This History of Psychology timeline was generated with the help of AI, using information found on the internet.
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