PMID: 9545020Apr 17, 1998Paper

Demand characteristics of the research setting can influence indexes of negative affect-induced eating in obese individuals

Obesity Research
M S FaithD B Allison

Abstract

Measures of negative affect-induced eating (NAIE) are common in clinical research with obese individuals. However, previous studies suggest that measures of NAIE can be induced by social desirability tendencies or demand characteristics of the research setting. Using an experimental design, the present study tested the effects of demand characteristics of the research setting on self-report and behavioral indexes of NAIE. Obese and nonobese subjects (n=107) were randomly assigned to an experimental or control group. Experimental subjects received a lecture indicating an association between emotional eating and obesity; control subjects received no information. Outcome measures were indexes of NAIE from a questionnaire, food diaries, and food intake during a laboratory "taste test." We hypothesized that the association between relative body mass and NAIE would be stronger among subjects receiving the lecture manipulation than control subjects. Results indicated that NAIE indexes, particularly from food diaries, were influenced modestly by research demand characteristics. We conclude that demand characteristics of the research setting can affect indexes of NAIE among obese persons.

References

May 1, 1994·Psychological Bulletin·C G Greeno, R R Wing
May 1, 1994·The International Journal of Eating Disorders·R H Kuehnel, T A Wadden

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Citations

Mar 6, 2004·Eating Behaviors·Allan Geliebter, Angela Aversa
Dec 1, 2011·Journal of Medical Internet Research·Anastasia SouretiRobert Hurling
Dec 21, 2011·Journal of Medical Internet Research·Anastasia SouretiRobert Hurling
Jan 22, 2008·Physiology & Behavior·Rachael J Pohle-KrauzaChristine L Pelkman
Aug 16, 2017·Journal of Health Psychology·Tracey J DevonportChristopher Fullerton
Mar 27, 2009·The American Journal of Clinical Nutrition·Doeschka J AnschutzTatjana Van Strien

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