Effects of Sample Sequence on Food Preferencesa,b

摘要

SUMMARYHedonic‐scale preference tests were run with four types of meat. Each one compared two non irradiated (“good”) samples with two irradiated (“poor”) samples. Three effects were demonstrated: a) position effect (the later samples in the series were rated lower); b) contrast effect (serving “good” samples first lowered the ratings for “poor” samples); and c) convergence effect (serving “poor” samples first lowered the ratings for “good” samples). Contrast and convergence effects were shown to be indep