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Self-Determination Theory (SDT)

Overview

概述

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.

自我决定理论（Deci & Ryan, 1985, 2000）认为，人类动机的质量沿着自主连续体变化，从无动机到外部调节，再到完全内在动机。最佳功能发挥和幸福感取决于满足三种基本心理需求：自主、胜任和关联。

When to Use

适用场景

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

引入激励措施后，诊断参与度或绩效下降的原因
设计不会削弱内在动机的奖励系统
评估组织或教育环境对需求的满足程度
超越简单的“有动机vs无动机”框架，理解动机质量

When NOT to Use

不适用场景

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

行为纯粹由生存需求或生理匮乏驱动时
替代结构性分析（例如，将资源限制误认为动机问题）
当情境需要基于特质的人格模型而非动机框架时

Assumptions

假设

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

铁律：外部奖励会削弱内在动机
（过度合理化效应）——激励设计必须考虑
动机挤出效应。有形的、预期的、取决于任务完成情况的奖励
对自主动机的损害最大。

核心假设：

三种基本需求（自主、胜任、关联）在所有文化中普遍存在
对于持续的结果而言，动机质量比动机数量更重要
支持需求满足的社会环境会促进外在动机的内化

Methodology

方法

Step 1 — Assess Current Motivation Quality

步骤1 — 评估当前动机质量

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

将目标行为按动机连续体分类：

调节类型	控制点	描述
无动机（Amotivation）	无	无行动意图
外部调节（External）	外部	为获得奖励/避免惩罚而行动
内摄调节（Introjected）	半外部	为避免内疚或获得认可而行动
认同调节（Identified）	半内部	因个人重视而行动
整合调节（Integrated）	内部	因与自我一致而行动
内在调节（Intrinsic）	内部	因内在乐趣而行动

Step 2 — Diagnose Need Satisfaction/Frustration

步骤2 — 诊断需求满足/受挫情况

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

针对每种基本需求，评估环境是支持还是阻碍需求：

自主（Autonomy）：选择、自愿、行动的自我认可
胜任（Competence）：效能感、掌握、适度挑战
关联（Relatedness）：归属感、联结、对他人有重要感

Step 3 — Identify Motivational Crowding Risks

步骤3 — 识别动机挤出风险

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

检查过度合理化触发因素：有形奖励、预期奖励、任务依赖型奖励、监督、截止日期、强加目标、竞争。

Step 4 — Design Need-Supportive Intervention

步骤4 — 设计支持需求的干预措施

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)

提供有意义的理由（支持自主）
在结构化框架内提供选择（支持自主+胜任）
提供信息性而非控制性的反馈（支持胜任）
培养协作而非竞争的环境（支持关联）

Output Format

输出格式

markdown

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markdown

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SDT Motivation Analysis: [Context]

SDT动机分析：[场景]

Current Motivation Profile

当前动机概况

Behavior	Regulation Type	Need Gaps
[behavior]	[type]	[autonomy/competence/relatedness]

行为	调节类型	需求缺口
[行为]	[类型]	[自主/胜任/关联]

Need Satisfaction Assessment

需求满足评估

Autonomy: [supported/thwarted] — [evidence]
Competence: [supported/thwarted] — [evidence]
Relatedness: [supported/thwarted] — [evidence]

自主：[支持/受挫] — [证据]
胜任：[支持/受挫] — [证据]
关联：[支持/受挫] — [证据]

Crowding Risk

挤出风险

[Identified overjustification triggers and severity]

[识别出的过度合理化触发因素及严重程度]

Recommendations

建议

[Need-supportive intervention]
[Incentive redesign if applicable]
[Environmental change]

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[支持需求的干预措施]
[若适用，重新设计激励机制]
[环境调整]

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Gotchas

注意事项

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

并非所有外在动机都是坏事——认同调节和整合调节可以非常有效且持久
文化背景会影响自主的表达方式（个人主义vs集体主义），但根据SDT，需求本身仍然具有普遍性
在奖励削弱内在动机后移除奖励，并不会自动恢复内在动机
信息性反馈支持胜任感；控制性反馈会削弱自主性——反馈的呈现方式很重要
SDT适用于自愿行为；在胁迫或极端匮乏情况下，需求层次模型可能更相关
只有胜任感而无自主性仍会让人感到受控制——三个需求必须同时解决

References

参考文献

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.

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.