JH
Jonathan Haber
Alia Crum

Does believing stress is enhancing actually change how it affects you?

Crum’s mindset research — what works, what doesn’t, and how to use it honestly

Short answer

Alia Crum’s research at Stanford finds that the mindset you hold about stress — whether you see it as harmful or as enhancing performance and growth — measurably affects cognitive, behavioral, and health outcomes, independent of the stress level itself. The effect is real but modest; reappraising stress as useful is not a cure, but it can shift your response in a meaningful direction.

The typical advice about stress is to reduce it. Alia Crum’s research suggests that changing how you think about stress may matter as much as changing how much of it you have. When people hold a "stress-is-enhancing" mindset — viewing stress as a signal that something important is happening and as a resource for rising to it — they show healthier physiological profiles, more constructive behavior, and better performance than those holding a "stress-is-debilitating" mindset at equal stress levels. The practices below draw directly from Crum’s published work and its evidence base.

The practices (6)

Why it works

Mindset change requires credible information, not mere instruction to think differently. The physiological stress response mobilizes glucose and oxygen to muscles and brain, sharpens attention, and in moderate doses promotes neuroplasticity and consolidation of learning. These are genuine effects; knowing them gives the enhancing reappraisal an accurate factual anchor rather than a forced optimism that the body does not corroborate.

How to do it
  1. 1Read or recall: the physiological stress response (cortisol, adrenaline, increased heart rate) evolved for performance, not destruction.
  2. 2Note that acute stress enhances immune function, memory consolidation, and performance on attention-demanding tasks.
  3. 3Distinguish acute stress (potentially enhancing) from chronic, unrelieved stress (genuinely harmful) — the mindset applies to the former.
  4. 4Keep a record of situations where stress preceded your best performances.
Evidence
RCT / meta-analysis

Acute psychological stress has documented performance-enhancing effects at moderate doses, consistent with the Yerkes-Dodson law. Crum’s mindset research found that participants shown "stress-is-enhancing" videos showed better outcomes on cognitive tasks and work performance.

Honest caveat: Crum’s effects are real but modest in size; they do not eliminate the costs of high-intensity chronic stress. The enhancing mindset works for moderate acute stress, not for burnout or trauma.

  • — Crum, Salovey & Achor (2013), rethinking stress: the role of mindsets in determining the stress response, Journal of Personality and Social Psychology
Common mistake: Conflating acute performance stress (which the mindset addresses) with chronic overload (where the harmful effects are real and the enhancing reappraisal is not honest) — which makes the technique feel like denial rather than reappraisal.
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