The theory of motivation that asserts that achievement, affiliation, and power are the major motives determining people's behavior in the workplace is called .

McClelland's acquired needs theory

Explanation:

McClelland's acquired needs theory, propounded by David Clarence McClelland, can be referred to as a learned needs theory that explains how three major factors (achievement, affiliation, and power) motivates the behavior of an individual as well as increase effectiveness at the place of work.

This theory asserts that to increase employee’s efficiency in work places, employers should identify which of the 3 major factors, drives an individual.

For example, an individual who is driven by the affiliation factor of needs would be efficient at work if the work place promotes collaboration over competition.

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