Source: "Beyond McGregor’s Theory Y", 2002, p. 2: introduction
“Knowledge accumulated during recent decades challenges and contradicts assumptions which are still axiomatic in conventional organizational theory. Unfortunately, those classical principles of organization — derived from inappropriate models, unrelated to the political, social, economic, and technological milieu, and based on erroneous assumptions about behavior — continue to influence our thinking about the management of the human resources of industry. Management's attempts to solve the problems arising from the inadequacy of these assumptions have often involved the search for new formulas, new techniques, new procedures. These generally yield disappointing results because they are adjustments to symptoms rather than causes. The real need is for new theory, changed assumptions, more understanding of the nature of human behavior in organizational settings.”
Source: The Human Side of Enterprise (1960), p. 17 (2006: 24)
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Douglas McGregor 22
American professor 1906–1964Related quotes
Source: The Human Side of Enterprise (1960), p. 16 (p. 23 in 2006 edition)
Source: The Human Side of Enterprise (1960), p. 16 (2006; 23)

Catherine Truss, Lynda Gratton, Veronica Hope-Hailey, Patrick McGovern and Philip Stiles (1997). "Soft and hard models of human resource management: a reappraisal." Journal of Management Studies, 34(1), 53-73.
Source: The Human Side of Enterprise (1960), p. 18 (2006; 24)
Source: The Human Side of Enterprise (1960), p. 11 (2006; 13)
Source: The Human Side of Enterprise (1960), p. 15 (p. 21 in 2006 edition)
Source: The Human Side of Enterprise (1960), p. 1; as cited in: Abraham Harold Maslow, Deborah Collins Stephens, Gary Heil. Maslow on management, John Wiley, 1998, p. 96