Self-Determination Theory is a motivation theory stating that people are most intrinsically motivated and psychologically healthy when three basic needs are satisfied: autonomy (control over your choices), competence (feeling effective), and relatedness (connection to others).
Self-Determination Theory (SDT) answers a simple question. Why do people do things when nobody is paying them, grading them, or forcing them? SDT's answer is that humans have three built-in psychological needs, and when those needs are met, intrinsic motivation flourishes. Autonomy means you feel like the choice is yours. Competence means you feel capable and effective at what you're doing. Relatedness means you feel connected to other people.
When an activity feeds all three needs, you do it for its own sake. That's intrinsic motivation. When the environment crushes those needs (think micromanaged tasks, constant surveillance, rewards dangled for everything), motivation shifts toward extrinsic or fades entirely. This is why SDT is the go-to theory for explaining behavior driven by personal values, like volunteering or going vegan for ethical reasons. Nobody made that person do it. Their own values did.
SDT lives in Topic 7.1 (Theories of Motivation) alongside drive-reduction theory, arousal theory, and incentive theory, and it carries over into Topic 7.2 when motivation gets applied to specific behaviors. It's the theory you reach for whenever a scenario describes someone acting on internal values rather than external rewards. It also stretches beyond Unit 7. In Topic 6.6 (Moral Development), SDT helps explain why people follow their own moral code even when no one's watching, and in Topic 9.4 (Group Influences), relatedness connects individual motivation to social behavior. On the exam, the core skill is matching a behavioral scenario to the right motivation theory, and SDT is one of the most commonly correct (and commonly tempting) answer choices.
Intrinsic Motivation (Unit 7)
Intrinsic motivation is the engine and SDT explains the fuel. SDT says intrinsic motivation grows when autonomy, competence, and relatedness are satisfied, so any scenario about doing something 'because you want to' touches both concepts.
Basic Psychological Needs (Unit 7)
Autonomy, competence, and relatedness are SDT's three basic psychological needs. Unlike hunger or thirst, these are psychological rather than biological, which is what separates SDT from drive-reduction theory.
Moral Development (Unit 6)
When someone acts ethically without external pressure, like going vegan or refusing to cheat, SDT explains the motivation side of that moral choice. The behavior comes from internalized values, which is autonomy in action.
Bandura's social cognitive theory (Unit 6)
This is a frequent distractor. Bandura explains learning behavior by watching and imitating others (observational learning), while SDT explains why you keep doing something once it's yours. If a question says 'children copy adults,' that's Bandura, not SDT.
SDT shows up almost exclusively as scenario-based multiple choice. The stem describes someone's behavior and asks which theory best explains it. Practice questions in this style include a person going vegan for ethical reasons or a teen volunteering at an animal shelter after reading about animals in need. Both point to SDT because the motivation is internal and value-driven. Watch for distractors. A question about children learning morals by copying adults is Bandura's social cognitive theory, and a question about reducing internal tension between beliefs and actions (like cheating while knowing it's wrong) is cognitive dissonance. Your job is to spot the source of the motivation. If it's internal values and self-chosen goals, pick SDT. No released FRQ has required this term verbatim, but it's solid theory vocabulary for explaining motivation in an AAQ or EBQ response.
Both are need-based motivation theories, which is why they get mixed up. Maslow stacks needs in a pyramid where lower needs (food, safety) must be met before higher ones (self-actualization). SDT has no hierarchy. Its three needs (autonomy, competence, relatedness) all matter at once, and they're all psychological rather than biological. If the question involves a sequence or pyramid of needs, that's Maslow. If it's about feeling in control, capable, and connected, that's SDT.
Self-Determination Theory says intrinsic motivation depends on satisfying three basic psychological needs: autonomy, competence, and relatedness.
SDT is the correct answer when a scenario describes someone acting on internal values with no external reward, like volunteering or making an ethical lifestyle choice.
Unlike Maslow's hierarchy, SDT's three needs are not ranked. All three matter simultaneously, and all three are psychological rather than biological.
Excessive external rewards or control can undermine the autonomy need and weaken intrinsic motivation.
Don't confuse SDT with Bandura's social cognitive theory (learning by imitation) or cognitive dissonance (tension between conflicting beliefs and actions).
It's a motivation theory stating that people are most intrinsically motivated when three psychological needs are met: autonomy (choice), competence (feeling effective), and relatedness (connection to others). It's covered in Topic 7.1, Theories of Motivation.
Autonomy, competence, and relatedness. Autonomy means feeling in control of your own choices, competence means feeling capable, and relatedness means feeling connected to other people.
No. Maslow ranks needs in a pyramid where basic needs come before higher ones, while SDT's three needs operate together with no required order. SDT also focuses only on psychological needs, not biological ones like food or safety.
Intrinsic motivation is doing something for its own sake. Self-Determination Theory is the broader framework explaining where that motivation comes from, namely the satisfaction of autonomy, competence, and relatedness.
Not necessarily. SDT predicts that external rewards can actually reduce intrinsic motivation by undermining autonomy, since the behavior starts to feel controlled rather than freely chosen.
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