The strength model of self-control

Roy F. Baumeister, Kathleen D. Vohs, Dianne M. Tice

Research output: Contribution to journalArticlepeer-review

2210 Scopus citations


Self-control is a central function of the self and an important key to success in life. The exertion of self-control appears to depend on a limited resource. Just as a muscle gets tired from exertion, acts of self-control cause short-term impairments (ego depletion) in subsequent self-control, even on unrelated tasks. Research has supported the strength model in the domains of eating, drinking, spending, sexuality, intelligent thought, making choices, and interpersonal behavior. Motivational or framing factors can temporarily block the deleterious effects of being in a state of ego depletion. Blood glucose is an important component of the energy.

Original languageEnglish (US)
Pages (from-to)351-355
Number of pages5
JournalCurrent Directions in Psychological Science
Issue number6
StatePublished - Dec 2007

Bibliographical note

Funding Information:
The authors gratefully acknowledge research support from the Templeton Foundation.


  • Ego depletion
  • Impulse
  • Self-control
  • Strength
  • Willpower


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