Who among the following is  not associated with theories of motivation?

Correct option is D

The correct answer is (d) Peter F. Drucker.
While Peter F. Drucker is the most influential figure in modern management, he is primarily associated with Management by Objectives (MBO), the "knowledge worker," and organizational effectiveness rather than specific psychological theories of motivation. In contrast, A.H. Maslow (Hierarchy of Needs), Frederick Herzberg (Two-Factor Theory), and Chris Argyris (Immaturity-Maturity Theory) all developed specific frameworks to explain what drives human behavior and motivation within a workplace.
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· A.H. Maslow: Proposed that human needs are arranged in a five-level hierarchy, from physiological to self-actualization.
· Frederick Herzberg: Distinguished between "Hygiene factors" (which prevent dissatisfaction) and "Motivators" (which create satisfaction).
· Chris Argyris: Argued that traditional bureaucratic organizations often prevent employees from reaching psychological maturity.
· Peter Drucker: Viewed motivation as a byproduct of clear goals and self-control through his MBO framework.