Effects on weight reduction of strong monetary contracts for calorie restriction or weight loss

Robert W. Jeffery, Paul D. Thompson, Rena R. Wing

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

Thirty-one severely obese adults participated in behavioral weight control groups. In three groups utilizing powerful monetary contracts, subjects deposited substantial sums of money which were returned contingent on either attendance, calorie restriction, or weight loss. Subjects in a fourth no-contract control condition made no monetary deposits. Weight and calorie contract groups lost an average of nearly 20 lb in 10 weeks. They did not differ from each other, but both produced significantly more weight loss than the attendance contract group. High dropout rates in the no-contract condition precluded statistical evaluation of this group. Results are discussed in terms of the potential clinical value of contracting procedures.

Original languageEnglish (US)
Pages (from-to)363-369
Number of pages7
JournalBehaviour Research and Therapy
Volume16
Issue number5
DOIs
StatePublished - 1978

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