Fig. 1

Experimental paradigm. A Schematic presentation of the superiority rating task. Participants indicated how personality trait words described them compared to an average peer using a sliding scale. B Schematic presentation of the Ponzo illusion task. Participants were required to indicate whether the two discs were the same size (1st response) and then rate their confidence (2nd response). The size of the fixation point is exaggerated for illustration purposes