Intrinsic vs. Extrinsic Motivation: Which Lasts Longer?

Rewards get people moving, and interest keeps them moving, but for staying power a reason a person has made their own counts at least as much as enjoyment, and far more than a prize. That is the short answer to the intrinsic vs extrinsic motivation question. Intrinsic motivation means doing something because it is interesting or enjoyable in itself; extrinsic motivation means doing it for an outcome separate from the activity, such as pay, a grade or someone’s approval.¹

Four decades of research say the two are not rivals. Each predicts performance, for different kinds of work, and motivation that rests only on rewards or the threat of punishment is the kind least linked to sticking with something. In practice that gives three working rules: use incentives for routine, countable output; protect interest wherever quality is judged; and for anything that must survive months of dull stretches, find a reason you would defend. Motivation is the wanting half of motivation and procrastination, and this page stays on that side.

What intrinsic and extrinsic motivation mean, and the shades between

Intrinsic motivation is doing an activity for the enjoyment of the activity itself; extrinsic motivation is doing it to get something separate from it. Richard Ryan and Edward Deci, the psychologists who developed self-determination theory, drew that line in a 2000 review, then added that extrinsic motivation comes in several kinds, some of which feel almost as free as enjoyment.¹

Their scale runs from controlled to autonomous. At the controlled end, people act to get a reward or avoid a punishment, or to escape guilt and protect their pride. Further along, they act because they personally value what the activity leads to, and at the far end of extrinsic motivation that value fits with everything else they care about. Ryan and Deci note that most of what people do, especially after early childhood, is not strictly intrinsically motivated, which is why these middle shades matter so much.¹

Take three colleagues who file the same monthly expense report, an illustrative case. One files it because finance will chase her. One files it because he would be embarrassed to be the last. The third files it because she wants the budget figures right when she plans next quarter. None of them enjoys it, so none is intrinsically motivated, yet the theory predicts that the third will keep it up most reliably.

• Controlled (steps 1-2)
• Autonomous but still extrinsic (steps 3-4)
• Intrinsic (step 5)
• Bracket under steps 1-4: extrinsic motivation, done for a separate outcome

1. External regulation: to get a reward or avoid a punishment
2. Introjected regulation: to avoid guilt or anxiety, or to feel proud
3. Identified regulation: because you value what it leads to
4. Integrated regulation: because it fits your other values and goals
5. Intrinsic motivation: because the activity itself is interesting or enjoyable

The early reward experiments compared intrinsic motivation with the most controlled kind of extrinsic motivation, Ryan and Deci point out, so those studies speak mainly to that kind.¹ The practical upshot: when motivation feels thin, ask why you are doing the task before you ask how much drive you have. If the honest answer is “because someone will check”, look for a better reason before you reach for more willpower.

Intrinsic vs extrinsic motivation at work: quality or quantity

Interest and incentives both predict performance, but for different kinds of work. In a 2014 meta-analysismeta-analysis: A study that combines the results of earlier studies on the same question into one overall estimate. Pooling makes the estimate more precise, but it cannot repair the studies it pools: a meta-analysis of surveys is still survey evidence.Full entry in the glossary spanning four decades of studies in school, work and sport, Christopher Cerasoli, Jessica Nicklin and Michael Ford found that interest in a task predicted the quality of performance far better than incentives did, while incentives better predicted how much people produced.²

The study

Moderate evidence

Quality or quantity? Cerasoli, Nicklin and Ford's 40-year review of interest and incentives

Intrinsic motivation was a medium to strong predictor of performance, with or without incentives present. Weighed side by side, interest carried almost all the predictive weight for quality measures such as creative work or a research proposal, while incentives carried more for countable output. Interest mattered less when incentives were tied directly to performance, a pattern the authors call crowding out.²

The authors conclude that incentives and intrinsic motivation are not necessarily antagonistic and are best considered together. Keep one limit in mind: most of the pooled data were correlational, so the review shows which kind of motivation goes with better work, not that raising one would improve it.²

The authors’ explanation is about the work itself. Quality work tends to be complex and to demand judgment and personal investment, which is where interest helps. Countable work, such as the number of boxes assembled, tends to be simpler and repetitive, and the prospect of a gain focuses attention on it sharply.²

Picture a support team paid per ticket closed. The bonus will likely raise the count. Whether the replies actually solve customers’ problems depends more on whether the agents care about solving them, and a bonus tied tightly to the count may make that care matter less.

Which lasts longer? Interest and personal value outlast rewards alone

Motivation that comes from interest, or from a reason you personally value, is the kind linked to sticking with something; motivation from rewards or punishment alone is not. When Joshua Howard and colleagues pooled 344 student samples in a 2021 meta-analysis, acting only for rewards or to avoid punishment was not associated with persistence, while valuing what the work leads to was linked to it at least as closely as enjoyment was.³

Why would personal value rival enjoyment on staying power? The links for personal value were slightly larger, though the authors note the gap may not be significant. Their reading is that intrinsic motivation depends on states such as curiosity and enjoyment, which come and go, while a reason you value applies to the dull parts of a task as well as the interesting ones. Because the studies were snapshots taken at one timecross-sectional: Describes a study that measures everyone in its sample at a single point in time. Because the possible cause and the outcome are recorded together, it can show that two things occur together but not which of them came first.Full entry in the glossary and correlational, and persistence mostly meant students’ reported effort, engagement and plans to continue, they show a link rather than proof. Acting out of guilt or pride had mixed results: it went with more effort, but also with more signs of ill-being.³

Enjoyment still matters. In a survey of 96 people two months after they made a New Year’s resolution, published in 2017, Kaitlin Woolley and Ayelet Fishbach found that how enjoyable people found the resolution predicted how well they said they were keeping it; how useful and important they rated it predicted only how well they expected to do.⁴ It is a small, self-reportedself-report: A measure in which people describe their own behavior, feelings or circumstances, usually by answering a questionnaire. When the same person supplies both of the things being compared, shared habits of answering can make the link between them look stronger than it is.Full entry in the glossary study, but four further studies in the same paper pointed the same way. Enjoyment at its most intense can become complete absorption, described in our guide to how flow states work.

Employees show a similar split. Pooling 124 samples in 2021, Anja Van den Broeck and colleagues found that intrinsic motivation mattered most for employees’ well-being and attitudes, valuing the work predicted performance best, and acting only for rewards or to avoid punishment had few links with how employees behaved but came with well-being costs such as burnout. Most of the pooled studies were one-time surveys.⁵

Take someone learning Spanish before a move abroad, an illustrative case. The novelty of the lessons fades within weeks, and a streak counter alone is thin support. What is still there on a dull Tuesday evening is the reason: being able to talk with the new neighbors.

The lesson for anything you want to last: build in both. Name a reason you would sign your name to, and add something you enjoy now, such as a better setting, a partner or a part of the task you like. When motivation of every kind dips, repetition can carry the behavior, the subject of how habits form and why they persist.

Further reading

• 

  Why We Do What We Do: Understanding Self-Motivation

  by Edward L. Deci with Richard Flaste

  Edward Deci's own plain account of self-determination theory, from rewards that undermine interest to making a task your own.

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Rewards can crowd out interest, under specific conditions

Rewards reduce intrinsic motivation mainly when they are tangible, promised in advance and given for doing something people already find interesting. That was the conclusion of a 1999 meta-analysis of 128 studies by Edward Deci, Richard Koestner and Richard Ryan, the leading proponents of the idea, measured mostly by how long people kept doing an activity in free time after the reward ended.⁶

Their explanation is that a reward can be read in two ways: as a controller of what you do, or as information that you are good at it. Read as control, the theory holds, it moves the reason for acting outside you, and interest drops. Rewards that arrived unexpectedly had no measurable effect, and tangible rewards tended to be more harmful for children than for college students.⁶

The size and reach of the effect are contested. A 2001 meta-analysis by Judy Cameron, Katherine Banko and David Pierce concluded that rewards are generally not harmful: they found negative effects on interesting tasks when rewards were tangible, expected and loosely tied to performance, and no drop when rewards were linked to how well people did, where Deci’s team had reported one.⁷⁶ We read that paper at abstract level only.

Myth

Any reward kills intrinsic motivation.

Fact

In lab experiments, the drop appeared mainly when tangible rewards were promised in advance for tasks people already enjoyed; rewards for dull tasks did not reduce interest.

Both camps agree on one point. For dull tasks, Deci’s team found no reliable undermining, and Cameron’s team found that rewards for low-interest tasks increased free-choice motivation.⁶⁷ Most of these studies were single lab sessions, so how long the effects last in real jobs is less clear.⁶ The pattern is often called the overjustification effect, a topic big enough for its own guide.

In everyday terms, picture a parent who starts paying a child who already loves reading for every book finished, an illustrative case. That is the situation the experiments model: an expected, tangible prize for something done for fun. Paying the same child to empty the dishwasher is the dull-task case, where neither camp found harm. The practical rule follows: reward the chores freely, and for work people already love, prefer unexpected recognition to a prize dangled in advance.

How an outside reason becomes your own

Extrinsic motivation can move toward the autonomous end, and how a task is presented helps. In a 1994 experiment, Edward Deci and colleagues found that three conditions, a meaningful rationale, acknowledging how people felt about the activity, and a sense of choice, promoted internalization: people went on to regulate the behavior themselves afterward. When the setting supported their autonomy, the rule tended to become part of their sense of self; when it did not, it tended to become an inner pressure.⁸ We could read only the abstract, which does not give the sample or effect sizes.

Ryan and Deci add two more supports: feeling connected to the people who ask for the task, and feeling able to do it well.¹ A 2024 systematic reviewsystematic review: A review that fixes its question and its rules for including studies in advance, then searches out every study that fits and weighs them together. Some systematic reviews pool the results into a meta-analysis; others describe what the studies found without combining the numbers.Full entry in the glossary of 36 intervention studies in education, by Yurou Wang and colleagues, found that programs built on these ideas were linked to more intrinsic motivation in experimental and quasi-experimentalquasi-experimental: Describes a study that compares a group that got something with a group that did not, where the researcher did not do the assigning: a policy, a rollout or people's own choices did. Because the groups were not formed at random, they may have differed before it started.Full entry in the glossary studies, though the authors call the effect only partially significant, so treat it as encouraging rather than settled.⁹

Consider a manager rolling out a new time-tracking tool, an illustrative case. “Everyone must log hours by Friday” invites the controlled kind of compliance. Explaining what the data will decide, admitting that logging is tedious, and letting people choose when in the week to do it gives the same rule a chance to become a reason.

Choosing between them: a verdict for each situation

Neither kind of motivation wins overall; the better choice depends on the work and on how long it has to last. Sorted by situation, the evidence in this article points this way.

The practical lesson is to stop asking which motivation is better and ask what the work needs. For a sprint of countable output, a clear incentive helps. For anything that must be good, or must survive months of boredom, invest in interest and in reasons people can call their own. If the real problem is putting things off rather than wanting to, start with the psychology of procrastination.

The bottom line

Rewards work for routine, countable output, but on their own they are the kind of motivation least linked to lasting. Interest goes with better-quality work and keeps people engaged while it holds; a reason people value is linked at least as closely to keeping going through the dull parts. So when something has to last, give it both: a part you enjoy and a reason you would defend.