highly significantp < 0.001
the association between X and Y for different levels of M) showed a highly significant effect (t = − 3.76, p < 0.001) in participants with low perspective taking scores, whereas the association between right-wing extremism and willingness to help was not significant in participants with medium (t = − 1.74, p = 0.083) or high (t = 0.64, p = 0.520) scores in perspective taking.