only marginally significantp = 0.061
However, the effect was only marginally significant in the explicit reward group, mean difference = 0.018 (SD = 0.011), 95% CI [− 0.005, 0.040], p = 0.061, and non-significant in the ambiguous reward group, mean difference = 0.021 (SD = 0.011), 95% CI [− 0.001, 0.044], p = 0.122.