“…Social psychological theory, research, and practice have played an important role in the development of work psychology (or industrial/organisational psychology, occupational psychology, personnel psychology), both in the United States and the United Kingdom. In the years prior to and including World War II, work psychology depended to a large extent on the “advances in measurement and statistics, particularly the accurate measurement of individual differences” (Vinchur & Koppes, 2010, p. 5). Elton Mayo’s 1927 studies at the Western Electric factory in Hawthorne, Illinois led to the realization of the importance of social factors such as recognition, a sense of belonging, and job security as determinants of work productivity, challenging the basic assumptions of the ‘scientific management’ movement.…”