Science and its theory -- The conduct of research and the development of knowledge -- From social psychology and personality theory : Kurt Lewin -- Achievement motivation theory : David Mcclelland -- Motivation-hygiene theory : Frederick Herzberg -- Job characteristics theory : Richard Hackman, Edward Lawler, and Greg Oldham -- Expectancy theories : Victor Vroom, and Lyman Porter, and Edward Lawler -- Operant behavior and organizational behavior modification : Clay Hamner, Fred Luthans, and Robert Kreitner -- Equity theory : J. Stacy Adams -- Goal setting theory : Edwin Locke and Gary Latham -- Attribution theory-managerial perceptions of the poor performing subordinate : Terence Mitchell and Stephen Green -- Normative decision process theory : Victor Vroom, Philip Yetton, and Arthur Jago -- Contingency theory of leadership : Fred Fiedler -- Vertical dyad linkage and leader member exchange theory : George Graen -- Information processing theory of leadership : Robert Lord -- Substitutes for leadership : Steven Kerr -- Role motivation theory : John Miner -- Charismatic leadership theory : Robert House -- Transformational leadership theory : Bernard Bass.