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December 12, 1949 | Klein Consultants
The Klein Institute for Aptitude Testing, Inc. releases its second study to the Journal of psychology. The findings on what makes an effective sales representative continues to be a cornerstone of study for Organizational Psychology Majors until today: The Rosenzweig Picture Frustration Study: II. Interpretation: The Journal of Psychology: Vol 28, No 2 (tandfonline.com)