Participants’ frequency to engage in social comparisons while watching short videos were measured by three items on a five-point Likert-type scale ranging from “never = 1” to “always = 5.” These items were adapted from the Physical Appearance Comparison Scale-Revised (PACS-R) and showed good reliability (Schaefer and Thompson, 2014), α = 0.92. Sample items included “while watching short videos, I would compare my appearance with others” and “while watching short videos, I would compare my body with others.”
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