Home›Industrial-Organizational Psychology›Era (Birth Year)›By Decade›1920sBrowse By1920sFacts1920sSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1917 11920sFilter Results3 entriesBranch of PsychologyAllIndustrial-Organizational Psychology (3)Nationality / CultureAllAustria (1)Switzerland (1)United States (3)GenderAllMale (1)Principal TheoryAllTwo-Factor Theory (1)Show ResultsBrowseCompareSelect all 3Edgar Schein1920sFred Fiedler1920sFrederick Herzberg1920sSources1. Wikipedia: Industrial and organizational psychologytier 2WikipediaIndustrial and organizational psychology, History sectionQuote, Industrial and organizational psychology, History sectionIndustrial psychology crystallized during World War I.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.