Expectancy Theory (Vroom)
Vroom's Expectancy Theory states that motivation is a function of three beliefs: expectancy (effort leads to performance), instrumentality (performance leads to outcomes), and valence (the value placed on the outcome).
Explanation
Victor Vroom's Expectancy Theory explains motivation as a cognitive process. People are motivated when they believe three things simultaneously: that their effort will lead to acceptable performance (expectancy), that their performance will lead to a desired outcome or reward (instrumentality), and that the reward is something they actually value (valence). If any of these three beliefs is weak or absent, motivation drops.
For project managers, this theory provides a diagnostic framework. If a team member is unmotivated, the issue might be that they do not believe they can succeed (low expectancy), they do not believe success will be rewarded (low instrumentality), or they do not value the available rewards (low valence). Each diagnosis leads to a different intervention.
Practically, this means project managers should set achievable goals, clearly link performance to rewards, and ensure that rewards are meaningful to the individual. A bonus is not motivating if the team member values time off more, and a challenging assignment is not motivating if the person does not believe they have the skills to succeed.
Key Points
- •Three components: expectancy, instrumentality, valence
- •Motivation = Expectancy x Instrumentality x Valence
- •If any component is zero, overall motivation is zero
- •Helps diagnose why a team member may be disengaged
Exam Tip
Remember the formula: Motivation = E x I x V. If any factor is missing, motivation fails. The exam may describe a scenario where one component is the issue.
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Leadership & Team Performance
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