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<p>Abstract: Wansink, Painter, and North (2005) famously found that visual cues affect food intake. Individuals who ate from a biased (self-refilling bowl) versus an accurate (normal bowl) visual cue consumed more soup, but they estimated eating a similar amount. The study’s validity has recently been called into question, prompting our direct replication. We randomly assigned 255 participants to eat soup out of normal bowls (accurate cue) or modified bowls that imperceptibly self-refilled (biased cue). In the preliminary results, ANCOVAs evaluated the effect of the visual cue on actual and estimated food intake, controlling for BMI, sex, and baseline hunger. Participants in the biased cue condition ate 22% more soup than those in the accurate cue condition [F(1, 245) = 6.29, p = .013]. However, they estimated that they consumed less in ounces compared to those in the accurate cue condition [F(1, 249) = 5.32, p = .022]. Thus we replicated the finding that a biased visual cue increases food intake over self-reported satiety. The current replication is important because the original findings have influenced policy (e.g., USDA) and consumers (e.g., 100 calorie snack packs).</p>
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