semenvatting
The present study aimed at further examining the effects of exposure to slim media models and light-products in commercials on food intake in relation to restrained eating. Food intake was measured in 124 female students while they watched a neutral or sad movie interrupted by either neutral commercials, or commercials with slim models and light-products. Afterwards, participants were asked to fill out questionnaires on restrained eating and the tendency to overeat. It appeared that high restrained eaters who were exposed to commercials with slim models and light-products ate much less compared to high restrained eaters who were exposed to neutral commercials, whereas unrestrained eaters who were exposed to commercials with slim models and light-products ate slightly more than when exposed to neutral commercials. This might suggest that restrained eaters who watch slim media models and light-products on television could be reminded of their diets.
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We hebben gekozen voor ‘Breaking the Waves’ omdat de sfeer in de film erg somber is en we verwachtten dat de film een algemeen negatief gevoel zou oproepen. Bovendien is de film niet spannend, zoals veel andere zielige films (bijvoorbeeld oorlogsfilms), en we wilden vermijden dat angst de voedselinname zou beïnvloeden. We wilden ook geen film met een ‘dubbele boodschap’, waarmee bedoeld wordt dat de film behalve zielig ook mooi is, zoals de film ‘Terms of Endearment’ die Strauss et al. (1994) gebruikten in hun experiment. Er mochten ook geen voedselcues in de film voorkomen. Om een zielige film te selecteren hebben we een pilotstudy uitgevoerd, waarbij ‘Breaking the Waves’ werd gekozen door de studenten die deelnamen aan deze pilotstudy.
Omdat de PANAS niet primair gericht is op somberheid en ook items bevat over angst hebben we zes extra items toegevoegd om somberheid te meten. Hierna hebben we een hiërarchische regressie analyse uitgevoerd, waaruit bleek dat angst geen significante hoeveelheid variantie verklaarde van filmtype, terwijl somberheid dat wel deed.
We hebben dezelfde regressie analyses uitgevoerd met lijnen gemeten met de Restraint Schaal (Herman et al., 1978). Wanneer de neiging tot overeten werd opgenomen in het model, verdween het hoofdeffect van lijnen (stap 3, R² change = .01, ns), en er werd geen interactie gevonden tussen commercialtype en lijnen (stap 4, R² change = .01, ns). Dit suggereert dat alleen lijners zonder de neiging tot overeten inhibitie vertonen na het zien van commercials met slanke vrouwen en light-producten.
In onze steekproef was de correlatie tussen de lijnschaal van de NVE (Van Strien, 2005) en de neiging tot overeten .22. De correlatie tussen de Restraint Schaal en de neiging tot overeten was .50. Lijnen zoals gemeten met de Restraint Schaal (Herman, 1978) was dus meer geassocieerd met de neiging tot overeten dan lijnscores gemeten met de NVE.
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De auteurs zijn verbonden aan het Behavioural Science Instituut, Radboud Universiteit Nijmegen.
Correspondentieadres: Doeschka J. Anschutz, Behavioural Science Institute, Radboud Universiteit Nijmegen, Postbus 9104, 6500 HE, Nijmegen.
E-mailadres:d.anschutz@pwo.ru.nl
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Anschutz, D.J., van Strien, T. & Engels, R.C.M.E. Het effect van slanke vrouwen in commercials op eetgedrag bij lijners. PSEG 35, 105–115 (2007). https://doi.org/10.1007/BF03071776
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DOI: https://doi.org/10.1007/BF03071776