“…Finally, visual inspection of the ERP grand-average waves pointed to a negative-going slow amplitude shift following the face of the strict compared to the lenient evaluator at midfrontal sites. This effect resembled the well-known contingent negative variation (CNV; Walter, Cooper, Aldridge, McCallum, & Winter, 1964), which probably reflects attentional mechanisms of performance preparation (Brunia, van Boxtel, & Böcker, 2012). As the CNV has recently received growing attention with regard to its role in outcome anticipation and task-difficulty expectations (e.g., Capa, Bouquet, Dreher, & Dufour, 2013;Schevernels, Krebs, Santens, Woldorff, & Boehler, 2014;Silvetti, Nuñez Castellar, Roger, & Verguts, 2014;van den Berg, Krebs, Lorist, & Woldorff, 2014), we also conducted an exploratory analysis of this component.…”