Expectancy Theory of Motivation

Main ideas, concepts, and lessons

• Expectancy Theory of Motivation (workplace motivation)

  • Explains why people choose certain behaviors at work (e.g., working early, working hard, staying late).
  • People engage in behaviors they believe will lead to outcomes they want—and avoid undesirable outcomes.
  • Managerial takeaway: the theory helps you understand how individuals decide between alternative behaviors, so you can design conditions that encourage desired performance.

• Founders / contributors

  • Victor H. Vroom (1964) developed the theory.
  • Porter and Lawler (1968) later extended it (sometimes misspelled in the text as “Porter and Lora,” but referring to Porter & Lawler).

• Core assumption

  • People make a conscious choice from among possible behaviors, aiming to maximize pleasure and minimize pain.
  • An employee will work hard only if they perceive that the outcome is most desirable to them.

• Three variables required for motivation

  • Effective motivation requires all three variables:

  1. Expectancy

     • Belief that effort → successful performance (targets can be reached).
     • Depends on factors such as:
       • past experience
       • confidence in ability
       • perceived difficulty of targets
       • whether the targets are under one’s control

  2. Instrumentality

     • Belief that successful performance → reward will occur.
     • Depends on factors such as:
       • clarity of the link between performance and reward
       • trust in the person/process that decides rewards
       • transparency of decision-making about who gets what rewards

  3. Valence

     • The value (perceived usefulness or desirability) of the reward to the individual.
     • Can be:
       • negative (person wants to avoid the reward)
       • zero (indifference)
       • positive (person wants/values the reward)
     • Employees weigh trade-offs (e.g., extra work vs. reduced family time vs. whether pay/promotion is worth it).

• Motivation formula

  • Motivational Force (MF) = Expectancy × Instrumentality × Valence
  • Motivation is strongest when:
    • targets feel achievable (high expectancy)
    • rewards clearly and reliably follow performance (high instrumentality)
    • rewards are genuinely desirable (high valence)

Methodology / instructions conveyed (managerial use)

• Use expectancy theory to improve employee motivation and performance

  • Ensure reward systems and goal-setting support the three variables:

    • Expectancy (targets are achievable)

      • Set goals employees believe they can reach (consider confidence, ability, control, and target difficulty).

    • Instrumentality (reward is clearly connected to performance)

      • Make the performance–reward link explicit.
      • Build trust by ensuring reward decisions are credible.
      • Keep reward criteria and processes transparent.

    • Valence (reward is personally valuable)

      • Make rewards align with what individuals actually want.
      • Recognize that different employees value different outcomes.

• Big takeaways / practical principles

  • Rewards should be:
    • directly linked to performance
    • chosen/allocated transparently
    • deserved (earned through performance)
    • wanted (valued by employees)

Examples presented (step-by-step scenarios)

Example 1: New manager fixing underperformance via trust and quick wins

• Scenario

  • A new manager inherits a small team with a history of underachievement.
  • Team issues:
    • low morale
    • targets feel unreal (low expectancy)
    • belief that hard work benefits the company more than them (low valence and/or weak instrumentality)
    • low trust in management

• Actions

  • Accept that the problem can’t be fixed overnight; start with quick wins.
  • Set weekly targets for the team.
  • If the team hits the target:
    • give an immediate reward (e.g., extra weekend spending money).
  • If the team does not hit the target:
    • no reward.

• Why this helps (as stated)

  • Keeps the team focused on performance.
  • Builds trust in management because the manager keeps promises week after week, reinforcing the performance–reward relationship.

Example 2: Existing team—boost performance by tailoring rewards

• Scenario

  • The manager has been in role for some time; the team performs well.
  • Goal: increase performance further.

• Action

  • Improve motivation by tailoring rewards to individual needs, e.g.:
    • Employee with a long commute values work-from-home time if they hit targets.
    • Ambitious employee values leading a small project if they hit targets.

• Why this helps (as stated)

  • Each person sees productivity as a route to personal goals, increasing the likelihood they invest effort and determination to hit targets.

Advantages and disadvantages (limitations) mentioned

• Advantages

  • Simple to understand
  • Provides a straightforward mechanism to improve performance by changing rewards

• Disadvantages

  • Can be overly simplistic and may not explain why people sometimes act against their own best interests
  • Ignores external factors (e.g., personal life problems that affect performance regardless of rewards)
  • Can be difficult in larger organizations where rewards depend on company-wide performance, not individual performance

Overall conclusion / summary

• Expectancy Theory says employees are motivated when they believe:
  1. they can achieve targets (expectancy),
  2. rewards will follow performance (instrumentality),
  3. the rewards are valuable to them (valence).
• By improving goal achievability, reward linkage clarity, reward transparency, and aligning rewards with individual desires, managers can build highly motivated individuals and high-performing teams.
• Suggested improvement approaches mentioned:
  • set stretch targets with rewards attached
  • reward desirable behaviors
  • link rewards closely to each individual’s wants and desires

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Speakers / sources featured

• Victor H. Vroom (creator of expectancy theory, 1964)
• Porter and Lawler (extended the theory, 1968)
• The video narrator / instructor (unnamed; delivers the lesson)