Folio institutional7/14/2023 Descriptive outcomes indicated that the stimulus set includes a range of foods that vary along multiple dimensions and thus is likely to be useful in addressing various research questions surrounding eating behavior and cognition in healthy populations, as well as in those with eating disorders. Outcomes of the factor analysis suggested foods may be described along three latent factors of healthiness, tastiness, and umami taste the cluster analysis highlighted five distinct clusters of foods varying on these same dimensions. Correlations between subjective ratings were calculated and an exploratory factor analysis and exploratory cluster analysis completed. Additional description of the image set is provided in terms of physical image information and accurate nutritional information. Each participant rated a subset of stimulus set food items (46 foods) on all 17 dimensions. Ratings included subjective attributes (e.g., tastiness, healthiness, and favorable texture) as well as estimates of nutrient content (e.g., fat and carbohydrate). Each image has now been rated across 17 different attributes by a large general United States population sample via Amazon’s Mechanical Turk ( n = 1054). It contains foods that are typically eaten, as well as those typically avoided, by individuals with eating disorders. The set was developed for the study of eating disorders, particularly for use in tasks that capture eating behavior characteristic of these illnesses. Food Folio by Columbia Center for Eating Disorders is a publicly available set of 138 images of Western food items. To enhance rigor and reproducibility in task-based research, it is advantageous to have stimulus sets that are publicly available and well characterized.
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