Within Rewards
When Rewards Start to Spoil Motivation
Rewards work best when they support autonomy and competence rather than making a meaningful activity feel controlled.
On this page
- Expected tangible rewards and the overjustification risk
- Autonomy, competence and relatedness in reward design
- How to make incentives feel supportive rather than controlling
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Introduction
External incentives are not automatically the enemy of intrinsic motivation. The real risk is not that rewards exist, but that they change how people interpret their own behaviour. In self-improvement, rewards can help people start difficult actions and persist through periods when benefits are delayed. However, when rewards become the dominant reason for acting, an activity that once felt meaningful, enjoyable or self-chosen can begin to feel controlled. This is the central concern behind the overjustification effect and related research on motivation. The practical challenge is designing incentives that support a person’s own reasons for acting rather than replacing them. Evidence suggests that rewards are most effective when they reinforce autonomy, competence and connection, while expected rewards that feel controlling are the most likely to undermine intrinsic interest. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [Self Determination]book.all-means-all.educationall-means-all.educationSelf-Determination in Learningby K Buttigieg · 2025 — According to SDT, there are three basic psychological needs…
Expected Tangible Rewards and the Overjustification Risk
The classic warning comes from research on the overjustification effect. This phenomenon occurs when people receive an expected external reward for an activity they already find interesting. Over time, they may begin to attribute their behaviour to the reward rather than to their own interest. When the reward disappears, motivation can fall below its original level. [Wikipedia]WikipediaOverjustification effectOverjustification effect
A landmark meta-analysis by Edward Deci, Richard Ryan and Richard Koestner reviewed 128 experiments examining extrinsic rewards and intrinsic motivation. The researchers found that several forms of expected tangible reward significantly reduced measures of intrinsic motivation, particularly when rewards were contingent on simply engaging in, completing or performing an activity. Expected rewards and tangible rewards showed the most consistent undermining effects. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [Self Determination]book.all-means-all.educationall-means-all.educationSelf-Determination in Learningby K Buttigieg · 2025 — According to SDT, there are three basic psychological needs…
The key point is often misunderstood. The evidence does not show that all rewards are harmful. Instead, the greatest risk appears when:
- The activity is already enjoyable or meaningful.
- The reward is expected in advance.
- The reward becomes the main focus of attention.
- People feel they are acting to satisfy an external demand rather than a personal choice. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [Self Determination]book.all-means-all.educationall-means-all.educationSelf-Determination in Learningby K Buttigieg · 2025 — According to SDT, there are three basic psychological needs…
Consider someone who enjoys writing. A small reward for completing a daily writing session may initially increase consistency. But if attention shifts from the satisfaction of writing to earning the reward, the activity can start to feel transactional. The reward has not merely added motivation; it has altered the perceived reason for acting.
This risk is less pronounced when the target behaviour is not intrinsically attractive in the first place. Many self-improvement activities—such as filing tax paperwork, organising documents or attending administrative appointments—are rarely pursued for pure enjoyment. In these cases, incentives often provide a useful push without displacing a strong intrinsic motive because little intrinsic interest existed to undermine. The overjustification concern is most relevant when the activity already contains genuine enjoyment, curiosity, mastery or personal meaning. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con…
Why Some Rewards Damage Motivation and Others Do Not
Research associated with Self-Determination Theory helps explain why rewards sometimes help and sometimes hurt. The theory proposes that motivation is strongly influenced by three basic psychological needs:
- Autonomy: feeling that actions are self-directed.
- Competence: feeling effective and capable.
- Relatedness: feeling connected to others and to something larger than oneself. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [ScienceDirect]sciencedirect.comAutonomy concerns a sense of initiative and ownershipScienceDirectIntrinsic and extrinsic motivation from a self-determination…by RM Ryan · 2020 · Cited by 10296 — Three needs are seen as…
Rewards can support these needs or frustrate them.
A reward that communicates competence may strengthen motivation. For example, recognition that highlights skill development, progress or mastery can reinforce the feeling that effort is producing growth. In contrast, a reward that feels like a mechanism of control can reduce autonomy. When people feel they are acting because someone else is pulling the strings, intrinsic motivation tends to weaken. [ScienceDirect]sciencedirect.comAutonomy concerns a sense of initiative and ownershipScienceDirectIntrinsic and extrinsic motivation from a self-determination…by RM Ryan · 2020 · Cited by 10296 — Three needs are seen as… [Self Determination]book.all-means-all.educationall-means-all.educationSelf-Determination in Learningby K Buttigieg · 2025 — According to SDT, there are three basic psychological needs…
This distinction is sometimes described as the difference between informational rewards and controlling rewards.
Informational rewards send messages such as:
- “You are improving.”
- “Your effort is paying off.”
- “You have developed a valuable skill.”
Controlling rewards send messages such as:
- “Do this to get paid.”
- “Do this or lose the reward.”
- “Keep performing or the incentive disappears.” [Self Determination Theory]WikipediaSelf-determination theory - WikipediaSelf-determination theory (SDT) is a macro theory of human motivation and personality regarding i… [Self Determination Theory]open.ncl.ac.ukTheoryHubSelf-Determination Theory: A review14 Mar 2026 — The fifth mini theory, Basic psychological needs theory (Deci & Ryan, 2000), id…
The same external incentive can therefore have different effects depending on how it is framed and experienced.
Autonomy, Competence and Relatedness in Reward Design
The most durable self-improvement systems often use incentives as scaffolding rather than as the foundation of motivation.
Supporting Autonomy
Autonomy does not mean acting without structure. It means feeling ownership over the action. Rewards tend to be safer when they acknowledge a person’s goals instead of attempting to override them.
For example, a person learning a language may decide to set aside money for a future trip and add a small amount to that fund after each week of consistent study. The reward is connected to a self-chosen aspiration. The incentive reinforces an existing value rather than replacing it. This preserves the sense that “I am doing this because I want the outcome,” not because someone else is paying me to continue. [ScienceDirect]sciencedirect.comAutonomy concerns a sense of initiative and ownershipScienceDirectIntrinsic and extrinsic motivation from a self-determination…by RM Ryan · 2020 · Cited by 10296 — Three needs are seen as…
Supporting Competence
Competence-focused rewards emphasise improvement and mastery.
Progress charts, skill milestones, personal bests and constructive recognition often work better than arbitrary prizes because they direct attention back to growing capability. In self-improvement, the experience of becoming better at something can itself become rewarding. A system that repeatedly highlights progress helps people notice this internal reward. [ScienceDirect]sciencedirect.comAutonomy concerns a sense of initiative and ownershipScienceDirectIntrinsic and extrinsic motivation from a self-determination…by RM Ryan · 2020 · Cited by 10296 — Three needs are seen as… [ScienceDirect]sciencedirect.comCompetence, autonomy, and relatedness in the classroomby CKJ Wang · 2019 · Cited by 383 — The theory posits that intrinsic motivation is…
A runner who receives feedback showing improved endurance, pace or consistency is being reminded of competence. The feedback strengthens the connection between effort and growth. This is fundamentally different from paying the runner simply for showing up.
Supporting Relatedness
Motivation also becomes more resilient when rewards strengthen social connection.
Encouragement from a training group, recognition from peers, shared celebrations of milestones or accountability partnerships can satisfy the need for relatedness. These incentives often feel less controlling because they communicate belonging rather than external pressure. PubMed [UK Coaching]ukcoaching.orgSelf-Determination TheorySelf-Determination Theory emphasises that people are most motivated and fulfilled when their basic needs for aut…
People frequently continue difficult habits not because of prizes but because they identify with a community that values the behaviour.
How to Make Incentives Feel Supportive Rather Than Controlling
The practical goal is not to eliminate rewards. It is to prevent rewards from becoming the sole explanation for behaviour.
Several design principles emerge from the evidence.
Keep the reward secondary. The behaviour should remain the central story. A reward can acknowledge progress, but it should not become the main attraction. If people spend more time thinking about the incentive than the activity, motivational crowding becomes more likely. [Wikipedia]WikipediaSelf determination theorySelf-determination theory - WikipediaSelf-determination theory (SDT) is a macro theory of human motivation and personality regarding i…
Connect rewards to personal values. Incentives work better when they reinforce reasons the person already endorses. A reward tied to health, mastery, creativity or meaningful goals supports internalisation rather than replacing it. [Sage Journals]journals.sagepub.comSage JournalsA Meta-Analysis From Self-Determination Theoryby JL Howard · 2021 · Cited by 1597 — Student outcomes are influenced by diffe…
Emphasise progress and learning. Feedback about improvement generally supports competence more effectively than simple payment for compliance. Recognition of growth directs attention toward capability rather than external control. [Structural Learning]structural-learning.comStructural LearningThe Overjustification Effect: When Rewards Undermine4 Apr 2024 — Deci's (1985) self-determination theory says rewards…
Use incentives as temporary scaffolding. External rewards can be especially useful during the early stages of habit formation when the activity has not yet become rewarding on its own. As intrinsic satisfaction grows, the external incentive can often be reduced. This prevents long-term dependence on the reward while preserving behaviour. [arXiv]arxiv.orgarXivDesigning for Sustained Motivation: A Review of Self-Determination Theory in Behaviour Change TechnologiesJanuary 31, 2024…
Avoid turning meaningful activities into transactions. Activities already rich in curiosity, enjoyment or personal identity are the most vulnerable to overjustification. The stronger the existing intrinsic motivation, the more carefully rewards should be used. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [Wikipedia]WikipediaSelfIn philosophy, the self is an individual's own being, knowledge, and values, and the relationship between these attributes. The fi…
The Most Useful Question to Ask
When designing a reward, the crucial question is not “Will this increase behaviour?” but “What reason for acting is this reward teaching?”
If the incentive teaches, “I do this because I value it, I am getting better at it, and it fits who I want to become,” it can strengthen long-term motivation. If it teaches, “I do this only because I am paid, praised or pressured,” it risks weakening the very motivation that makes self-improvement sustainable.
The evidence suggests that external incentives are most effective when they point people back toward autonomy, competence and relatedness. In that role, rewards act less like bribes and more like signposts, helping behaviour survive long enough for its deeper benefits to become self-reinforcing. [PubMed]pubmed.ncbi.nlm.nih.govPubMedA meta-analytic review of experiments examining the effects of…by EL Deci · 1999 · Cited by 13068 — As predicted, engagement-con… [ScienceDirect]sciencedirect.comSelf-Determination Theory - an overviewSDT (Ryan and Deci, 2000) emphasizes the satisfaction of basic human needs for autonomy, competenc…
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Endnotes
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Source: Wikipedia
Title: Overjustification effect
Link: https://en.wikipedia.org/wiki/Overjustification_effect -
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