Validation of a test meal paradigm to experimentally manipulate meal-related fears: A registered report.
Journal
The International journal of eating disorders
ISSN: 1098-108X
Titre abrégé: Int J Eat Disord
Pays: United States
ID NLM: 8111226
Informations de publication
Date de publication:
12 2021
12 2021
Historique:
revised:
26
10
2021
received:
13
07
2021
accepted:
27
10
2021
pubmed:
11
11
2021
medline:
2
4
2022
entrez:
10
11
2021
Statut:
ppublish
Résumé
Fear is central to conceptualizations of weight and shape-focused eating disorders. The current study will examine the reliability and validity of a test meal paradigm that varies perceptions of fat content to manipulate fear. Undergraduate women with elevated eating pathology (N = 96) will be randomized to one of three test meal conditions: two "low" fat yogurts, two "high" fat yogurts, or one "high" fat and one "low" fat yogurt. In actuality, all yogurts will have the same fat content. Supporting reliability, we hypothesize that self-reported fear and electrodermal activity (psychophysiological index of fear-related arousal) will exhibit good test-retest reliability over a 48-hr period in the "high" fat/"high" fat and "low" fat/"low" fat conditions. Supporting construct validity, self-reported fear and electrodermal activity will be elevated during the "high" versus "low" fat condition and responses to the "high" fat condition will correlate with fear of food, eating, and weight gain. Supporting discriminant validity, self-reported disgust and anger will be comparable in the "high" and "low" fat conditions and will exhibit weak correlations with trait measures of disgust and anger. This experimental paradigm will allow researchers to manipulate fear in order understand the mechanisms by which fear maintains eating pathology.
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Pagination
2223-2228Informations de copyright
© 2021 Wiley Periodicals LLC.
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