Home›Social Psychology›Era (Birth Year)›By Decade›1940sBrowse By1940sFacts1940sSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1924 11940sFilter Results4 entriesBranch of PsychologyAllSocial Psychology (2)Nationality / CultureAllUnited States (2)Principal TheoryAllPositioning Theory (1)Self-Determination Theory (1)Stereotype Threat Theory (1)Theory of Planned Behavior (1)Theory of Reasoned Action (1)Show ResultsBrowseCompareSelect all 4Bronwyn Davies1940sClaude Steele1940sEdward Deci1940sIcek Ajzen1940sSources1. Wikipedia: Social psychologytier 2WikipediaSocial psychology, History sectionQuote, Social psychology, History sectionAccording to Wolfgang Stroebe, modern social psychology began in 1924 with the publication of a classic textbook by Floyd Allport, which defined the field as the experimental study of social behavior.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.