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Encyclopedia of Nutritional Psychology

Subjective Norms

Evidence-informed definition Updated June 18, 2025 How to cite this entry

In the Theory of Planned Behavior, subjective norms refer to the perceived social pressure to perform or not perform a behavior. The expectations and opinions of significant others, such as family, friends, or society, influence them.

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Written by Lyanna Tran
Reviewed by CNP Encyclopedia Editorial Board
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Lyanna Tran. (2025). Subjective Norms. In Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.

https://www.nutritional-psychology.org/encyclopedia/subjective-norms/
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