To compare devaluation effects between Experiments 1 and 2, we calculated devaluation scores by subtracting the mean preference score for no-go stimuli in the second rating from that for go stimuli in the second rating for each participant. The means of the devaluation scores were 3.88 (SE = 1.01) in Experiment 1 and 3.57 (SE = 1.39) in Experiment 2. Then, these mean values were compared using a one way ANOVA, showing non-significant effect of experiments, F(1,54) = 0.03, p = 0.86, ηp2 = 0.00. That is, increasing the task difficulty did not affect the devaluation effect through response inhibition, which appears to be contradictory to the inhibitory account (Raymond et al., 2003; Fenske and Raymond, 2006; Raymond, 2009).