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Updated: Jun 28, 2025

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
Published on: November 19, 2015
Interpersonal supports for basic psychological needs and their relations with motivation, well-being, and
Gavin R Slemp1, James G Field2, Richard M Ryan3
1Centre for Wellbeing Science, Faculty of Education, University of Melbourne.
Supporting autonomy, competence, and relatedness through interpersonal interactions enhances basic psychological needs, boosting well-being and performance. This meta-analysis confirms the broad benefits of nurturing these needs for optimal human functioning.
Area of Science:
- Psychology
- Social Psychology
- Motivation Science
Background:
- Self-determination theory posits that interpersonal support for autonomy, competence, and relatedness is vital for well-being and performance.
- Understanding the empirical support for these theoretical claims requires a comprehensive synthesis of existing research.
Purpose of the Study:
- To meta-analytically examine the relationships between interpersonal supports for autonomy, competence, and relatedness and their outcomes.
- To investigate the role of these supports in basic psychological need satisfaction, frustration, subjective well-being, and performance.
- To explore potential moderators of these relationships, such as culture, age, and measurement lag.
Main Methods:
- A meta-analysis was conducted using 4,561 effect sizes from 881 independent samples (N = 443,556).
- Statistical techniques were employed to synthesize findings and test moderation hypotheses.
Main Results:
- Supports for autonomy, competence, and relatedness were strongly associated with need satisfaction and negatively with need frustration.
- These supports showed positive associations with subjective well-being and performance.
- Cultural individualism moderated the link between autonomy support and motivation, while relatedness support effects varied.
- Competence and relatedness support explained unique variance in need satisfaction beyond autonomy support.
Conclusions:
- Interpersonal supports for all three basic psychological needs (autonomy, competence, relatedness) are crucial for optimal motivation, well-being, and performance.
- A comprehensive approach considering diverse supportive behaviors and sources is recommended for maximizing benefits.
- Findings underscore the importance of fostering autonomy, competence, and relatedness in various contexts to enhance psychological functioning.
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