Grad Sdt

Self-Determination Theory (SDT)

Overview

Self-Determination Theory (Deci & Ryan, 1985, 2000) posits that human motivation varies in quality along a continuum of autonomy, from amotivation through external regulation to fully intrinsic motivation. Optimal functioning and well-being depend on satisfying three basic psychological needs: autonomy, competence, and relatedness.

When to Use

• Diagnosing why engagement or performance has declined after introducing incentives
• Designing reward systems that avoid undermining intrinsic motivation
• Evaluating organizational or educational environments for need satisfaction
• Understanding motivation quality beyond simple "motivated vs. unmotivated" framing

When NOT to Use

• When behavior is driven purely by survival needs or physiological deprivation
• As a substitute for structural analysis (e.g., resource constraints mistaken for motivation issues)
• When the context requires a trait-based personality model rather than a motivational framework

Assumptions

IRON LAW: External rewards can UNDERMINE intrinsic motivation
(overjustification effect) — incentive design must consider
motivational crowding. Tangible, expected, contingent rewards
are the most damaging to autonomous motivation.

Key assumptions:

• Three basic needs (autonomy, competence, relatedness) are universal across cultures
• Motivation quality matters more than motivation quantity for sustained outcomes
• Social contexts that support need satisfaction promote internalization of extrinsic motivation

Methodology

Step 1 — Assess Current Motivation Quality

Classify target behavior on the motivation continuum:

| Regulation Type | Locus | Description |

|----------------|-------|-------------|

| Amotivation | None | No intention to act |

| External | External | Act for reward/punishment |

| Introjected | Somewhat external | Act to avoid guilt or gain approval |

| Identified | Somewhat internal | Act because valued personally |

| Integrated | Internal | Act because consistent with self |

| Intrinsic | Internal | Act for inherent enjoyment |

Step 2 — Diagnose Need Satisfaction/Frustration

For each basic need, assess whether the environment supports or thwarts it:

• Autonomy: choice, volition, self-endorsement of actions
• Competence: effectance, mastery, optimal challenge
• Relatedness: belonging, connection, feeling significant to others

Step 3 — Identify Motivational Crowding Risks

Check for overjustification triggers: tangible rewards, expected rewards, task-contingent rewards, surveillance, deadlines, imposed goals, competition.

Step 4 — Design Need-Supportive Intervention

• Provide meaningful rationale (autonomy support)
• Offer choice within structure (autonomy + competence)
• Deliver informational rather than controlling feedback (competence)
• Foster collaborative rather than competitive contexts (relatedness)

Output Format

## SDT Motivation Analysis: [Context]

### Current Motivation Profile
| Behavior | Regulation Type | Need Gaps |
|----------|----------------|-----------|
| [behavior] | [type] | [autonomy/competence/relatedness] |

### Need Satisfaction Assessment
- Autonomy: [supported/thwarted] — [evidence]
- Competence: [supported/thwarted] — [evidence]
- Relatedness: [supported/thwarted] — [evidence]

### Crowding Risk
- [Identified overjustification triggers and severity]

### Recommendations
1. [Need-supportive intervention]
2. [Incentive redesign if applicable]
3. [Environmental change]

Gotchas

• Not all extrinsic motivation is bad — identified and integrated regulation can be highly effective and durable
• Cultural context moderates how autonomy is expressed (individualist vs. collectivist), but the need itself remains universal per SDT
• Removing rewards after they have undermined intrinsic motivation does not automatically restore it
• Informational feedback supports competence; controlling feedback undermines autonomy — delivery framing matters
• SDT applies to volitional behavior; under coercion or extreme deprivation, need hierarchy models may be more relevant
• Competence without autonomy still feels controlling — all three needs must be addressed together

References

• Deci, E. L. & Ryan, R. M. (1985). *Intrinsic motivation and self-determination in human behavior*. Plenum Press.
• Ryan, R. M. & Deci, E. L. (2000). Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. *American Psychologist*, 55(1), 68-78.
• Deci, E. L., Koestner, R. & Ryan, R. M. (1999). A meta-analytic review of experiments examining the effects of extrinsic rewards on intrinsic motivation. *Psychological Bulletin*, 125(6), 627-668.