A Scenario-Based Dieting Self-Efficacy Scale: The DIET-SE  

Oleh:

Stich, Christine ; Knäuper, Bärbel ; Tint, Ami

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Assessment vol. 16 no. 1 (Mar. 2009), page 16-30.
Topik: dieting self-efficacy; scenario-based assessment; psychometric properties; DIET-SE; situational dieting self-efficacy
Fulltext: 16.pdf (117.51KB)

Isi artikel

The article discusses a scenario-based dieting self-efficacy scale, the DIET-SE, developed from dieter’s inventory of eating temptations (DIET). The DIET-SE consists of items that describe scenarios of eating temptations for a range of dieting situations, including high-caloric food temptations. Four studies assessed the psychometric properties of the 11-item DIET-SE. Exploratory factor analysis (N = 392) and confirmatory factors analysis (N = 124) revealed three internally consistent and reliable factors representing challenges to adhere to a diet (high-caloric food temptations [HCF], social and internal factors [SIF], negative emotional events [NEE]). Convergent validity is established with other measures of dieting self-efficacy, as well as measures of eating disinhibition, susceptibility to hunger, and weight loss competency. Criterion-related validity is provided through the assessment of goal adherence, and predictive validity is established for dieters’ actual food intake (N = 68). The DIET-SE represents a short, reliable, and valid scenario-based measure of dieting self-efficacy.

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