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A school of Hellenistic Philosophy was founded.
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The first American to earn a Ph.D. in psychology. Hall eventually founds the American Psychological Association.
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Wilhelm Wundt founded the first experimental psychology lab in Leipzig, Germany.
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Wundt forms the professional journal of physiological psychology studies.
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G. Stanley Hall opens the first experimental psychology lab in the United States at John Hopkins University.
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Sigmund Freud begins providing therapy to patients in Vienna, Austria.
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James McKeen Cattell becomes the first professor of psychology at the University of Pennsylvania.
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James McKeen Cattell publishes Mental Tests and Measurements, marking the beginning of the practice of psychological assessment.
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William James publishes Principles of Psychology.
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Sir Francis Galton creates correlation technique to better understand relationships between variable in intelligence studies.
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G. Stanley Hall founded the American Psychological Association (APA), which initially has just 42 members.
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Wundt’s student Edward B. Titchener moves to America.
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Margaret Floy Washburn completes her training under Tichener.
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Alfred Binet forms the first psychology lab devoted to psychodiagnosis.
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Edward Thorndike develops the Law of Effect.
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Sigmund Freud published Interpretation of Dreams.
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The British Psychological Society is formed.
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Mary Whiton Calkins is elected the first woman president of the American Psychological Association.
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Alfred Binet publishes the intelligence test New Methods for the Diagnosis of the Intellectual Level of Subnormals.
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Ivan Pavlov publishes his findings on classical conditioning.
