Vroom’s expectancy theory maintains that people are motivated by the expectation of the reward they will receive when they succeed and that each individual calculates the level of effort required to receive a particular reward to determine whether the reward is worth the effort that is required to attain it. Vroom uses the following terms to explain this theory:Expectancy According to Vroom’s theory, motivation starts with an assessment by individuals about their capabilities to successfully complete an assignment.Instrumentality If individuals believe they’re capable of completing an assignment, they next ask “What’s in it for me?”—that is, will their effort to complete the work be the instrument for obtaining a reward for the work?Valence This is the result of calculations as to whether the possible reward is worth the effort required to successfully complete the work.