McClelland’s Human Motivation Theory: Achievement, Affiliation and Power

David McClelland's human motivation theory explained: the needs for achievement,

Wellness Article

A small gold trophy, two coffee cups side by side and a chess king on a wooden table

McClelland’s human motivation theory, also called acquired needs theory, says that three learned needs shape much of what drives people: the need for achievement (to excel and master challenges), the need for affiliation (to belong and be liked) and the need for power (to influence and have impact). Psychologist David McClelland developed it from the 1950s onwards. Everyone has all three, but usually one is dominant.

Explainer · Themes: motivation, leadership, careers, personality and self-awareness

Last updated: 10 November 2026

Reading time: about 8 minutes

How we wrote this article: this article was written by Saj Ali. It explains McClelland’s theory, the research behind it and practical ways to use it, and every research claim links to its source.

McClelland’s theory in brief

  • Who. David C. McClelland (1917–1998), American psychologist at Wesleyan and Harvard.
  • The three needs. Achievement, affiliation and power.
  • Key idea. These needs are shaped by experience and culture, so they are ‘acquired’ rather than fixed.
  • Why it matters. Your dominant need affects which tasks energise you, how you lead and what rewards work for you.
  • Try it. Notice which of the three you daydream about most. That is often your strongest motive.

Contents

  1. What the Theory Says
  2. The Three Needs Explained
  3. How Motives Are Measured
  4. What the Research Says
  5. How to Spot Your Dominant Motive
  6. Using the Theory at Work
  7. Using It Beyond Work
  8. Frequently Asked Questions
  9. Key Takeaways
  10. Explore More on Self Help Supermarket
  11. Sources

What the Theory Says

David McClelland spent decades studying what drives human behaviour. Building on Henry Murray’s earlier work on psychological needs, he focused on three motives that he believed explain a large share of how people act at work and in life. He set out the ideas in books including The Achieving Society (1961) and Human Motivation (1987).

McClelland argued that these needs are learned over a lifetime through family, culture and experience. That is why the theory is sometimes called acquired needs theory or learned needs theory. Unlike Maslow’s hierarchy, there is no fixed order. Each person has a unique mix, usually with one motive in the lead.

Understanding your mix can help with career choices, leadership, productivity and motivation more generally.

↑ Back to contents

The Three Needs Explained

Need What it looks like Energised by Watch out for
Achievement (nAch) Setting challenging goals, wanting feedback, taking moderate risks, enjoying mastery Clear targets, personal responsibility, measurable progress Doing everything yourself, impatience with others
Affiliation (nAff) Wanting to belong, valuing harmony, enjoying collaboration Teamwork, friendly environments, recognition from the group Avoiding conflict, difficulty making unpopular decisions
Power (nPow) Wanting to influence, persuade, lead and have impact Responsibility for others, status, competition, visible impact Control or ego, if not balanced by care for others

Need for achievement

People high in achievement motivation like tasks where success depends on their own effort and skill. McClelland observed that they tend to choose moderately difficult goals, where success is possible but not guaranteed, and they want regular feedback. They often thrive in sales, entrepreneurship, research and individual sport.

Need for affiliation

People high in affiliation motivation are drawn to warm relationships and being accepted. They often shine in caring roles, customer service, team coordination and community work. They may find conflict and harsh feedback draining.

Need for power

McClelland distinguished between personal power (wanting control for its own sake) and institutional or socialised power (wanting influence to achieve shared goals). In a well-known Harvard Business Review article with David Burnham, he argued that the most effective managers in large organisations combined a high need for socialised power with self-control, rather than being driven mainly by achievement or affiliation (McClelland and Burnham, Harvard Business Review).

↑ Back to contents

How Motives Are Measured

McClelland and colleagues measured motives using the Thematic Apperception Test (TAT), in which people write stories about ambiguous pictures. Coders then score the stories for achievement, affiliation and power imagery. The idea is that our stories reveal what we spontaneously think about.

McClelland, Richard Koestner and Joel Weinberger later distinguished between implicit motives (measured through stories) and self-attributed motives (what people say about themselves in questionnaires). They argued the two predict different kinds of behaviour: implicit motives predict spontaneous, long-term patterns, while self-reported motives predict responses to specific, structured choices (McClelland, Koestner and Weinberger, 1989).

↑ Back to contents

What the Research Says

Research finding What it means
Story-based (TAT) and questionnaire measures of achievement motivation both predict outcomes, in different ways (Spangler, 1992) Both what you say and what you spontaneously think matter
Implicit and self-attributed motives are distinct and predict different behaviours (McClelland et al., 1989) You may be driven by motives you do not consciously name
Achievement motivation is linked to entrepreneurial behaviour and performance (Collins, Hanges and Locke, 2004) Achievers often gravitate to building things
Effective managers often show high socialised power with self-control (McClelland and Burnham) Influence used for shared goals supports leadership

↑ Back to contents

How to Spot Your Dominant Motive

Ask yourself these questions and notice which column you answer “yes” to most.

Achievement Affiliation Power
Do I love beating my own personal best? Do I feel best when everyone gets along? Do I enjoy persuading people?
Do I want detailed feedback on my work? Do I prefer working in a team over alone? Do I like being responsible for outcomes that affect others?
Do I get bored when tasks are too easy? Do I find conflict draining? Do I notice status and influence in a room?
Do I daydream about solving hard problems? Do I daydream about time with friends and family? Do I daydream about leading or making an impact?

You can also reflect on peak moments. When did you feel most alive at work or in life? What were you doing? The Johari Window exercise can also show how others see your motives, and Six Thinking Hats is a useful way to compare roles or options once you know what drives you.

↑ Back to contents

Using the Theory at Work

For yourself

  • High achievement: ask for stretch goals, clear metrics and regular feedback. Use SMART goals. Practise delegating.
  • High affiliation: seek collaborative roles and mentoring. Build skills in assertive, kind feedback, and see our guide to setting boundaries.
  • High power: look for leadership responsibility and influence roles. Channel power towards shared goals and develop emotional intelligence.

For managers

  • Give achievers challenging projects and autonomy, with frequent progress checks.
  • Give affiliators team-based work and personal recognition, and coach them through difficult conversations.
  • Give power-motivated people responsibility and visible impact, with clear expectations about how influence should be used.

The GROW coaching model works well for exploring these motives in one-to-ones.

↑ Back to contents

Using It Beyond Work

The three motives show up in relationships, hobbies and goals too. An achievement-driven person might love training for a race. An affiliation-driven person may find most meaning in friendships and community. A power-driven person might thrive organising a local campaign.

Knowing your motive mix can explain why some goals feel energising and others feel like a chore. If a goal is not motivating you, try reframing it in the language of your dominant need: a personal best (achievement), a shared challenge with friends (affiliation), or a chance to make a visible difference (power).

↑ Back to contents

Frequently Asked Questions

What are McClelland’s three needs?

The need for achievement, the need for affiliation and the need for power.

Who was David McClelland?

An American psychologist (1917–1998) who taught at Wesleyan and Harvard and studied human motivation for decades.

Why is it called acquired needs theory?

Because McClelland believed these needs are learned through life experience and culture rather than being fixed at birth.

How is McClelland’s theory different from Maslow’s?

Maslow proposed a hierarchy of needs met in order. McClelland focused on three learned motives that vary in strength from person to person, with no set order.

Which need makes the best leader?

McClelland and Burnham argued that effective managers in large organisations often combine a high need for socialised power with self-control.

How can I find my dominant need?

Notice what you daydream about, what tasks energise you and your peak moments. Reflection questions and story-based exercises can help.

Can my motives change?

Yes. Because they are learned, they can shift with new experiences, roles and life stages.

Is the theory still used today?

Yes. It is widely taught in management, leadership development, coaching and career guidance.

↑ Back to contents

Key Takeaways

  • McClelland proposed three learned motives: achievement, affiliation and power.
  • Everyone has all three, usually with one dominant.
  • Implicit motives (spontaneous thoughts) and self-reported motives predict different behaviours.
  • Achievement motivation is linked to entrepreneurship; socialised power to effective management.
  • Tailor goals, roles and rewards to your dominant motive.
  • Use it alongside coaching tools such as GROW and SMART goals.

↑ Back to contents

Explore More on Self Help Supermarket

Use these pages alongside this one:

↑ Back to contents

Sources

  1. McClelland, D. C. (1961). The Achieving Society. Princeton, NJ: Van Nostrand.
  2. McClelland, D. C. (1987). Human Motivation. Cambridge: Cambridge University Press.
  3. McClelland, D. C., and Burnham, D. H. Power is the great motivator. Harvard Business Review (originally 1976; reprinted 2003). https://hbr.org/2003/01/power-is-the-great-motivator
  4. McClelland, D. C., Koestner, R., and Weinberger, J. (1989). How do self-attributed and implicit motives differ? Psychological Review, 96(4), 690–702. https://doi.org/10.1037/0033-295X.96.4.690
  5. Spangler, W. D. (1992). Validity of questionnaire and TAT measures of need for achievement: Two meta-analyses. Psychological Bulletin, 112(1), 140–154. https://doi.org/10.1037/0033-2909.112.1.140
  6. Collins, C. J., Hanges, P. J., and Locke, E. A. (2004). The relationship of achievement motivation to entrepreneurial behavior: A meta-analysis. Human Performance, 17(1), 95–117. https://doi.org/10.1207/S15327043HUP1701_5

Self Help Supermarket guides are for general information and are not a substitute for professional medical or psychological advice.