- Johannes Peter Müller publishes Handbuch der Physiologie des Menschen
[Handbook of human physiology], outlining a mechanistic theory of thinking.
- Hermann Ludwig von Helmholtz begins study of nerves and nerve fibers.
- Charles Darwin writes precis of theory of evolution
- Emil Heinrich du Bois-Reymond demonstrates the electrical basis of nerve impulses
- Neurologist David Ferrier, locates motor and sensory regions in brains of primates and
- Publication of Der Tastsin und das Gemeingfühl by Ernst Heinrich Weber,
containing his theory of touc
- Publication of Physiology of the Soul and Instinct as Distinguished from Materialism
by Martyn Paine, a forerunner of psychosomatic medicine.
- Publication of Rational Psychology by Laurens P. Hickok.
- Rudolph Albert von Kölliker demonstrates that nerve fibers are extensions of nerve
- Initiation of psychophysical experimentation by Gustav T. Fechner
- Hermann von Helmholtz measures the rate of nerve impulse in frog demonstrating that
neural processes are extended in time.
- Herbert Spencer uses the term "evolution" in its modern sense.
- Publication of Medical Psychology or the Physiology of the Soul by Rudolf H.
Lotze introducing the theory of local signs.
- Presentation of W.E. Weber's theory of cutaneous space perception.
- Development of "secondary degeneration" or the Wallerian method of identifying
tracts of nerve fibers by August Volney Waller.
- Publication of Elements of Psychology by J.D. Morell, first British publication
to use the term "psychology."
- Founding of the American Psychological Journal.
- Initial publication of Journal of Mental Science in England.
- Publication of Juvenile Delinquency by Mary Carpenter.
- First publication of the American Journal of Insanity (later American Journal
- Posthumous publication of Psychological Enquiries by Benjamin Brodie.
- Publication of Empirical Psychology or the Human Mind as Given in Consciousness
by L. Hickok.
- Publication of The Senses and the Intellect by Alexander Bain, marking transition
from associationism to scientific psychology in Great Britain.
- Initial publication of Principles of Psychology by Herbert Spencer, including his
statement of the "law of succession of psychical changes."
- Publication of Grammatik, Logik und Psychologie by Hayim Steinthal, a social
psychologically oriented book on Philology.
- Initial publication of Physiological Optics by Hermann Ludwig Ferdinand von
Helmoltz, containing the Young-Helmholtz theory of unconscious inference and an empirical
theory of perception.
- von Helmholtz proposes the resonance theory of hearing, arguing that transverse fibers
of the cochlea's basilar membrane act as resonators.
- Publication of An Essay on Physiological Psychology by R. Dunn.
- Wilhelm Wundt begins publication of Beïtrage der Sinneswahrnehmungen [Contributions
to the Theory of Sensory Perception.].
- Publication of The Emotions and the Will by Alexander Bain.
- Claude Bernard presents his Theory of internal environment (milieu intérieur).
- Publication of The Origin of Species by Means of Natural Selection or the
Preservation of Favored Races in the Struggle for Life by Charles Darwin, presenting
his theory of evolution, and the doctrine of instincts.
- Posthumous publication of Lectures on Metaphysics by William Hamilton, presenting
his doctrine of "redintegration."
- Publication of On Liberty by John Stuart Mill, introducing social instinct
- Publication of A Contribution to the Critique of Political Economy by Karl Marx,
introducing the doctrine that social being determines consciousness.
- Publication of Mind and Brain by Thomas Laycock, a systematic
treatise on physiological psychology.
- Publication of Elemente der Psychophysik [Elements of Psychophysics] by Gustav
Fechner and formulation of "Fechner's Law" founding experimental psychology.
- Pierre-Paul Broca demonstrates the localization of cerebral function by discovering the
effect of lesion on brain.
- Introduction of the "simple reaction time experiment by Frans Cornelis Donders.
- Publication of Reflexes of the Brain by Ivan M. Sechenov.
- Publication of On the Sensations of Tone as a Physiological Basis for the Theory of
Music by Helmholtz, containing his resonance theory of hearing and his doctrine of
specific nerve energies.
- Publication of The Philosophy of the Unconscious by Eduard von Hoffmann.
- Publication of Vorlesungen über die Menschen und Tierseele [Lectures on the minds
of men and animals] by Wundt.
- The term "psychosomatic" is coined by Charles Reade in the
novel Hard Cash.
- Publication of Beiträge zur Physiologie by Ewald Hering, including his
nativistic theory of space perception.
- Introduction of experimental psychology into France with publication of Introduction
to the Study of Experimental Medicine by Claude Bernard.
- Publication of The Reasoning Power of Animals by J.S. Watson.
- Publication of The Physiology and Pathology of the Mind by
- Publication of Human Intellect with an Introduction upon Psychology and the Soul
by Noah Porter.
- Publication of Physics and Politics by Walter Bagehot, a text on social
- Localization of motor centres in the brain through electrical stimulation by Gustav
Fritsch and Eduard Hitzig
- Publication of Contemporary English Psychology by Theodule Armand Ribot, pioneer
in French Experimental Psychology.
- Publication of The Descent of Man by Charles Darwin.
- Publication of The Expression
of the Emotions in Man and Animals by Charles Darwin, a foundational work in the
psychology of emotion and gesture.
- Development of the power law of sense intensities by Joseph A. F. Plateau.
- Publication of the first volume of The Theory of Light Sensation by Ewald Hering
- Publication of first volume of Principles of Physiological Psychology by Wilhelm
Wundt, the first textbook on the subject.
- Publication of Ueber den psychologischen Ursprung der Raumvorstellung by Carl
Stumpf, describing his nativistic theory of space perception.
- Publication of Principles of Psychology by Guiseppe Sergi, Italian pioneer in
- Publication of Psychology from an Empirical Standpoint by Franz Brentano,
founding "act psychology," the foundations of Gestalt approach
- Publication of Principles of Mental Physiology by W.B.
- Publication of G.H. Lewes first volume of Problems of Life and
Mind, coining the term "psychodynamic."
- Founding of the Froebel Society
- Establishment of the Psychological Society of Great Britain, dissolved
- Publication of "The History of Twins, as a Criterion of the Relative Powers of
Nature and Nurture" in Journal of the Anthropological Institute, by Francis
- Publication of The Delinquent Man by Cesare Lombroso, the first study in
- Publication of The Functions of the Brain by David Ferrier
- Alexander Bain and George Croom Robertson found Mind: A Quarterly
Review of Psychology and Philosophy
- Francis Galton works out "statistical correlation."
- George John Romanes coins the term "comparative psychology."
- Wilhelm Wundt establishes the first psychological laboratory at Leipzig University.
- Publication of The Brain as an Organ of Mind by H. Charlton
- G. Stanley Hall establishes first American psychological laboratory at Johns Hopkins.
- G. E. Müller establishes psychological laboratory at Göttingen University.
- Publication of The Mind of the Child by Wilhelm Theirry Preyer, setting in
motion the psychological study of child mental development.
- Publication of Animal Intelligence by George Romanes, establishing comparative
- Publication of The Nerve Currents in Brain and Spinal Cord by Vladimir M.
- Wilhelm Wundt found Philosophische Studien, the first journal of experimental
psychology (terminated in 1903).
- Publication of Psychology of Tone by Carl Strumpf.
- Publication of Inquiries into Human Faculty and Its Development by Francis
- Joseph Remi Leopold Delboeuf describes the theory of the subjective equality of just
noticeable differences in sense perceptions.
- Development of the James-Lange theory of emotion, by William James and Carl George
- Publication of Outlines of Psychology by James Sully, first British psychology
- Galton sets up his Anthropometric Laboratory at International Health
Exhibition in London, collecting information about mental and physical
abilities from visitors. Project continued at the Science Museum until
- Invention of the millisecond measurement by James McKeen Cattell.
- Giuseppe Sergi establishes first Italian psychological laboratory at University of Rome.
- Publication of Memory: A Contribution of Experimental Psychology by Hermann
Ebbinghaus, introducing use of completion tests, nonsense syllables and the law of error.
- Francis Galton and J.D.H. Dickson develop the coefficient of correlation under the name
"index of correlation," also known as "Galton's function"
- H. Ebbinghaus establishes psychological laboratory at University of Berlin.
- A. Lehmann establishes psychological laboratory at University of Copenhagen.
- V. Bechterev establishes psychological laboratory at Kazan University.
- First PhD in psychology awarded to Joseph Jastrow by Johns Hopkins University.
- James McKeen Cattell becomes first American to receive doctorate in Psychology at
- Publication of Contributions to the Analysis of Sensations by Ernst Mach.
- Publication of Elements of Physiological Psychology by George Trumbull Ladd,
first American textbook.
- Founding of the American Journal of Psychology by G. Stanley Hall.
- First lectureship at an independent department of psychology awarded to James McKeen
Cattell, at University of Pennsylvania.
- Cattell appointed first Professor of Psychology at an independent department of
- Joseph Jastrow appointed professor of Psychology at second independent department of
psychology, University of Wisconsin.
- Publication of Mental Evolution in Man by George Romanes
- First International Congress of Psychology held in Paris, T. Ribot, president.
- Binet and Beaunis establish first French psychological laboratory at Sorbonne.
- James Mark Baldwin establishes first Canadian (and first in British Empire)
psychological laboratory at University of Toronto.
- Carl Stumpf establishes psychological laboratory at University of Munich
- Christian von Ehrenfel's describes the development of form-quality or
- Cattell develops first psychological tests for individual differences and coins the term
- Publication of Principles of Psychology by William James.
- Discovery of the membrane theory of nerve conduction by Wilhelm Ostwald.
- James Hayden Tufts established the psychological laboratory at the
University of Michigan, Ann Arbor
- Life defined as the "continuous adjustment of internal relations to external
relations" by Herbert Spencer.
- Wilhelm Waldeyer formulates theory of neurones and synaptic connections.
- Cattell establishes psychological laboratory at Columbia University.
- Mary Calkins establishes psychological laboratory at Wellesley College
- Frank Angell establishes psychological laboratory at Cornell University.
- D. Mercier, J.F. Heymans and A. Thiery establish psychological laboratories at Catholic
University of America and Louvain University in Belgium.
- Formation of the American Psychological Association at Clark University. Originally 26
members, with G. Stanley Hall as president.
- G.T. Ladd establishes psychological laboratory at Yale University, headed by E. B.
- E. B. Delabarre establishes psychological laboratory at Brown University.
- Theodore Flournoy establishes psychological laboratory at University of Geneva.
- Münsterberg takes over psychological laboratory at Harvard.
- Publication of The Human Mind by James Ward
- Karl Pearson introduces the terms "normal curve" and
- Münsterberg and Jastrow supervise first demonstrations of psychological laboratory
apparatus at a World Fair in Chicago.
- Publication of Outlines of Psychology by Oswald Külpe, describing precursory
ideas on "mental set."
- Charles Sherrington coins the term "proprioceptive"
- James Mark Baldwin establishes psychological laboratory at Princeton University.
- John Dewey and James Angell establish psychological laboratory at University of Chicago.
- F. Angell establishes psychological laboratory at Stanford University
- Founding of British Child Study Association
- Development of theory of cutaneous sensibility by Max von Frey
- Statement of "Morgan's Canon" in An
Introduction of Comparative Psychology by Conwy Lloyd Morgan.
- Publication of Introduction to Experimental Psychology by Alfred Binet
- J. Cattell and J.M. Baldwin found Psychological Review, Psychological Monographs, and
- H. Ebbinghaus establishes psychological laboratory at University of Breslau
- Alexius Meinong establishes psychological laboratory at University of Graz
- Rice develops first objective test of educational achievement.
- Binet founds L'Année Psychologique, the french psychological journal.
- Publication of the The Crowd by Gustav LeBon.
- Bechterev establishes psychological laboratory at University of St. Petersburg (a.k.a.
- Kiesow establishes psychological laboratory at University of Turin
- Publication of Mental
Development in the Child and the Race by James Mark Baldwin
- Publication of Studies of Childhood by James Sully
- Bechterev founds Russian Society of Normal and Abnormal Psychology
- Külpe establishes psychological laboratory at University of Würzburg.
- C.G. Ferrari and Augusto Tamburini establish psychological laboratory at Reggio Emilia.
- Müller formulates axioms of psychophysics in "Zur Psychophysik der
- Lightner Witmer initiates Clinical Psychology at University of Pennsylvania.
- Stout outlines study of "imageless thoughts" in Analytic Psychology.
- Publication of An Outline of Psychology by Edward Bradford Tichener.
- Publication of "The Reflex Arc
Concept in Psychology" by John Dewey.
- Publication of The Outline of Psychology by Wilhelm Wundt, including his
tridimensional theory of feeling.
- Publication of "A New Factor
in Evolution" by James Mark Baldwin
- Publication of "De Associationsfestigkeit in ihrer Abhängigkeit von der Verteilung
der Weilderholungen," by Adolph Jost, in Zeitschrift. Psychol., describing
"Jost's law" -- concerning two associations of equal strength, the older one
maintains its strength better than the earlier one.
- The first treatment of statistics in psychology published in The New Psychology
by Edward Wheeler Scripture.
- Publication of the first volume Studies in the Psychology of Sex by Havelock
- Publication of Psychology of the Moral Self by Bernard Bosanquet.
- Rivers establishes psychological laboratory at Cambridge.
- Sully establishes psychological laboratory at University College, London.
- Dwelshauvers establishes psychological laboratory at University of Brussels.
- Heinrich establishes psychological laboratory at University of Crakow.
- Publication of Animal Intelligence: An experimental study of the association process
by E.L. Thorndike, describing the law of effect and the law of exercise.
- John Newport Langley coined the term "autonomic" to describe the involuntary
- Publication of Manual of Psychology by G.F. Stout, a functionalist approach to
- Publication of "Postulates of a Structural Psychology" by E.B. Tichener, in Philosophical
- Francis Gotch discovers separation of nervous impulses by a "refractory
- Publication of "The Mental Life of the Monkey" by Thorndike in Psychological
Review, Monograph Supplement.
- Publication of "Structural and Functional Psychology" by E.B. Tichener, in Philosophical
- Karl Pearson introduces the chi squared test for goodness of fit.
- Publication of the first volume of Folk Psychology by Wilhelm Wundt.
- Publication of first volume of Logical Investigations bt Edmund Husserl.
- Publication of the first volume of Grundzüge de Psychologie by Hugo
Münsterberg, introducing his "action" theory and stressing "process"
- Publication of Animal Behaviour by C. Lloyd Morgan.
- Publication of School and Society by John
- H.G. Pinero establishes psychological laboratory at University of Buenos Aires.
- Ivan Pavlov discovers conditioned reflex.
- Thorndike and Woodsworth discover the principle of "transfer of training".
- Robert Mearns Yerkes introduces mazes into the study of animal behaviour. Simultaneously
used by Willard Stanton Small in England.
- Formation of British Psychological Society, Charles S. Myers first president.
Nine other members Robert Armstrong-Jones, William R.B. Gibson, Sophie
Bryand, Frank Hales, William McDougall, Frederick Mott, W.H.R. Rivers,
Alexander Shand, W.G. Smith, and James Sully.
- Archives de Psychologie established in Geneva by cousins
Edouard Claparède and Théodore Flournoy
- Publication of Mind in Evolution by Edward Leonard Trelawney
- Publication of first volume of Experimental Psychology: A Manual of Laboratory
Practice by E B Tichener.
- Kraeplin introduces study of learning curves
- J. M. Cattell introduces the "order of merit" technique.
- Publication of Human Nature and Social Order
by Charles Horton Cooley
- Publication of Varieties of Religious Experience by William James.
- Founding of the German Psychological Society
- Founding of the Institute of Sociology in Britain
- Development of the contingency coefficient by Karl Pearson.
- Publication of "General Intelligence Objectively Determined and Measured" by
Spearman, introducing factor analysis and the general factor for intelligence, in American
Journal of Psychology.
- Publication of Vorlesungen über Physiologie by Max von Frey, introducing his
theory of four cutaneous senses: warmth, cold, pressure, pain.
- Publication of Adolescence: Its psychology, and its relation to physiology,
anthropology, sociology, sex, crime, religion and education by G. Stanley Hall.
- Journal of Philosophy, Psychology, and Scientific Method established.
- Journal of Religious Psychology established by G. Stanley Hall.
- Psychological Bulletin established by J.M. Baldwin and H. C.
- British Journal of Psychology established by J. Ward, W.H.R. Rivers and C.S.
- Founding of the Society of Experimental Psychologists
- Narziss Ach begins use of systematic experimental introspection to study thought,
volition and awareness at Würzburg.
- Formulation of Binet-Simon scale, the first intelligence test, in "Méthodes
nouvelles pour le diagnostic du niveau intellectuel des anormaux" in Année
- Publication of Dissociation of a Personality by Morton Prince, proposing the
theory of multiple personality.
- Publication of The Integrative Action of the Nervous System
by Charles Sherrington, coining the term "synapse"
- First psychological laboratory established in Scotland by W.G.
- Publication of Objective Psychology by V.M. Bechterev, describing the development
of the associative reflex.
- Publication of Eidetic Imagery by Erich R Jaensch, introducing the term into the
study of memory.
- Publication of "Tatsachen und Probleme zu einer Psychologie der Denkvorgänge"
by K. Bühler, describing the "Ausfragemethode" and the study of
"nonsensory thought processes."
- Publication of the first edition of Psychology by Charles Hubbard Judd, written
from a functionalist perspective.
- Publication of the first edition of L'Evolution
Créatrice by Henri Bergson
- Founding of the British Eugenics Society
- Development of the Binet-Simon scale of general intelligence on the basis of mental age.
- Bechterev experiments with avoidance conditioning
- Introduction of the "t" statistics for sample variance by W.S. Gossett.
- Publication of Introduction to Social Psychology by William McDougall
- Publication of Social Psychology by E. A.
- Publication of Mental Deficiency by A. F. Tredgold.
- First psychological laboratory in New Zealand established at Victoria
College by Thomas Hunter
- Publication of Dynamic Psychology by Robert S. Woodworth.
- Publication of Grammar of Science by Karl Pearson.
- Publication of How We Think by John Dewey.
- William Dunlop Tait establishes psychological laboratory at McGill University.
- Publication of Elements of Physiological Psychology by G.T. Ladd and R.S.
- Publication of Essentials of Mental Measurement by William
Brown, challenging Spearman's two-factor theory of intelligence
- Development of the intelligence quotient (I.Q.) by William Stern
- Birth of "gestalt psychology" and discovery of the "phi effect" by
Max Wertheimer at University of Frankfurt.
- Publication of The Kallikak Family: A Study in the Heredity of Feeble-mindedness
by H.H. Goddard.
- Publication of The Psychological Methods of Testing Intelligence by William
- Publication of The Mechanistic Conception of Life by Jacques Loeb, leader in the
- Creation of the first internships for psychologists at Boston Psychopathic Hospital,
under the supervision of R.M. Yerkes.
- Publication of "Psychology as the Behaviorist Views It" by J.B. Watson, in Psychological
- Publication of History of Psychology by J.M Baldwin.
- Publication of Educational Psychology by E.L. Thorndike.
- Publication of Psychology and Industrial Efficiency by H. Münsterberg.
- Publication of The English Convict by Charles Goring, using
anthropometric data to refute Lombroso's theory of criminal types.
- Introduction of tachioscopic experimentation by Otto Pötzl, and creation of déjà
- Introduction of the "psychology of structure" under Eduard Spranger.
- Publication of "The Theory of Two Factors," by Carl Spearman, in Psychological
- Publication of The Concept of Consciousness by Edwin Bissell Holt, describing
consciousness as the organism's adjustment.
- Publication of Feeble-mindedness: Its Causes and Consequences by H.H. Goddard
- Publication of Bodily Changes in Pain, Hunger, Fear and Rage by Walter Bradford
Cannon, developing of the emergency or thalamic theory of emotions.
- Development of the block design performance test by Samuel Calmin Kohs.
- Development of the maze performance test by S.D. Porteus.
- Publication of The Measurement of Intelligence by Louis M. Terman, describing the
development of the Stanford-Binet Test of Intelligence.
- First publication of The Journal of Experimental Psychology
- Administration of the Army Alpha Test to 2,000,000 American Soldiers.
- Publication of The Mentality of Apes by Wolfgang Köhler, describing his ideas
about "learning by insight."
- Publication of A Scale of Performance Tests by Rudolf Pintner and Donald G.
Paterson, introducing the Pintner-Paterson Performance Test.
- Publication of Psychological Principles by James Ward
- Introduction of the Psychoneurotic Inventory by Robert S. Woodworth.
- Posthumous publication of The Conduction of the Nervous Impulse by Keith Lucas.
- Design of a musical aptitude test by Carl E. Seashore.
- Opening of the first U.S. consulting firm in industrial psychology, The Scott Company,
by Walter Dill Scott.
- Publication of Psychology from the standpoint of a Behaviorist by J.B. Watson.
- Development of the first Interest Inventory by Bruce. B. Moore.
- Publication of Group Psychology by W. McDougall.
- Publication of Physical Gestalten in Rest and in Stationary State by W. Köhler
- Publication of Experimentelle Massenpsychologie by Walther Moede, describing
studies in experimental group psychology.
- J. M. Cattell establishes the Psychological Corporation.
- Development of the "ink blot" test by Hermann Rorschach, formalizing
projective testing techniques.
- Development of the "lie detector" by John Augustus Larson.
- Publication of the U.S. Army "Alpha" and "Beta" tests under the
supervision of R.M. Yerkes.
- Publication of Autonomic Nervous System by J.N. Langley.
- Publication of A History of Psychology by G. S. Brett.
- Publication of Mental and Scholastic Tests by Cyril Burt.
- Publication of the Otis Self-Administering Tests of Mental Ability by Arthur
- Publication of Senscence, by G.S. Hall, the first geriatric psychology.
- Publication of The Psychology of Women by Hiroshi Chiwa.
- Publication of The Psychology of Society by M. Ginsberg
challenging McDougall's instinct theory
- Henry Maudsley and Frederick Mott establish the Maudsley Hospital
- Design of "Intellignece Tests for Engineering Students" by L.L. Thurstone.
- Development of the Graphic Rating Scale by Max Freyd.
- Publication of Relation between Excitation and Inhibition and Their Delimitations;
Experimental Neuroses in Dogs by I Pavlov, desciveing "experimental
- Publication of Language and Thought of the Child by Jean Piaget.
- Publication of Emergent Evolution by
C. Lloyd Morgan
- Publication of The Nature of Intelligance and The Principles
of Cognition by Charles Spearman
- Publication of The Unadjusted Girl with
cases and standpoint for behavior analysis by W.I. Thomas.
- Discovery of the "stretch reflex" by C. Sherrington.
- Recording of electrical potentials in the brain and the discovery of "Berger
Rhythms" by Hans Berger.
- Publication of The Judgement and Reasoning in the Child by Jean Piaget.
- Publication of Social Psychology by Floyd H. Allport.
- Publication of first volume of Genetic Studies of Genius by L.M. Terman.
- Development of "z" statistic and "analysis of variance by R.A.
Fisher in Statistical Methods for Research Workers..
- Publication of the CAVD test by E.L. Thorndike
- Publication of Measurement of Intelligence by Drawings by Florence Laura
Goodenough, introducing the "Draw-a-man test."
- Publication of Sex and Repression in Savage Societies by Bronislaw Malinowski.
- Publication of The Child's Conception of the World by Jean Piaget.
- First publication of Psychological Abstracts.
- First publication of Journal of General Psychology.
- Publication of The Abilities of Man: Their nature and measurement by C. E.
- Publication of "On Finished and Unfinished Tasks," by Bluma Wulforma
- Publication of "Psychophysical Analysis" by L.L. Thurstone in American
Journal of Psychology.
- Publication of "A Law of Comparative Judgement," by L.L. Thurstone in Psychological
- Publication of "A Mental Unit of Measurement," by L.L. Thurstone in Psychological
- Psi Chi, the honor society for Psychology, established.
- Publication of "Attitudes Can Be Measured" by L.L. Thurstone in American
Journal of Sociology.
- Publication of "Uber das Elektrenkephalogramm des Menschen" by Hans Berger,
the first report on EEG research, in Archives of Psychiatry.
- Publication of the The Psychological Register by Carl Murchison, providing an
international listing of bibliography and biography covering 27 countries.
- First publication of the Journal of Social Psychology.
- Publication of A History of Experimental Psychology by Edwin Garrigues Boring.
- Publication of Brain Mechanisms and Intelligence: A Quantitative Study of Injuries to
the Brain by Karl Lashley.
- Publication of The Sexual Life of Savages in N.W. Melanesia by B.K. Malinowski.
- Publication of Race Attitudes in Children by Bruno Lasker.
- Publication of The Measurement of Attitude by L.L. Thurstone and E.J. Chave.
- Theory of equipotentiality of cerebral action by Karl S. Lashley.
- Development of the Babcock Test of Mental Deterioration by Harriet Babcock.
- Publication of the first volume of A History of Psychology in Autobiography,
edited by Carl Murchison.
- Publication of Der Aufbau de Farbwelt by David Katz, a phenomenological study of
- Development of the Allport-Vernon scale for measure social values.
- Publication of A Handbook of Child Psychology by C. Murchison.
- Publication of Contemporary Schools of Psychology by R.S. Woodworth
- Walter Cannon uses the term "homeostasis" to descrive the self-regulation of
the internal environment.
- Publication of Purposive Behavior in Animals and Men by Edward Chase Tolman,
describing his development of purposive behaviorism.
- Publication of The Social Life of Monkeys and Apes by S. Zuchermann.
- Publication of "A Technique for the Measurement of Attitudes" by Rensis
Likert, in Archives of Psychology.
- Development of the Social Distance Scale by Emory S. Bogardus.
- Yale University establishes the Institute for Human Relations.
- Psychological Corporation establishes its Psychological Barometers for the study of
- Edouard Claparde introduces reflexion parlée or thinking aloud for the study of
- British Union of Practical Psychologists formed.
- Publication of The Brain and its Mechanisms by C. Sherrington, president of the
- Publication of Hypnosis and Suggestibility by Clark L. Hull, the first
experimental treatment of hypnosis.
- Organization of the American Institute of Public Opinion.
- Publication of The Psychology of Social Norms by Muzafer Sherif.
- Publication of Who Shall Survive? A new approach to the problem of human relations
by Jacob Moreno.
- Publication of Atlas of Infant Behavior by Arnold Gesell.
- Publication of the Handbook of General Experimental Psychology edited by Carl
- Development of the Thematic Apperception Test by Christiana Morgan and Henry Murray.
- Formation of the Psychometric Society, with L.L. Thurstone as its president.
- Publication of Sex and Temperment in Three Primative Societies by Margaret Mead.
- Publication of A Dynamic Theory of Personality by Kurt Lewin.
- Publication of Vectors of Mind by L.L. Thurstone.
- Publication of Principles of Gestalt Psychology by Kurt Koffka, documenting the
work of the Gestalt School.