🧠ap psychology review

Stressor

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A stressor refers to any stimulus or event that causes stress or triggers the body's stress response. It can be an external factor, such as a deadline or a conflict, or an internal factor, such as self-doubt or worry.

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