highly significantp < .001
Results Ambiguity and choice behavior in the Ambiguous Cue Task Across participants, we observed a highly significant effect of stimulus type on acceptance rate in the ACT (one-way ANOVA F (4,1765) = 161.9, p < .001, η 2 = .78; see Fig. 2 A): The average acceptance rate was – .86 ( SD = 0.14) for the negative reference stimulus and +.88 ( SD = 0.14) for the positive reference stimulus.