Subjective ratings
The results concerning the subjective ratings are based on the experimental contrast (training-control). We found a highly significant constant term, representing a main effect of the condition contrast (With respect to the main effect of session phase, all contrasts changed significantly within the three session phases with a decrease in the case of subjective burden (Huynh-Feldt Changes in subjective rating means over sessions and session phases.Concerning the main effect of session, the condition contrasts of subjective burden and effort decreased significantly (subjective burden: Huynh-Feldt Further, no significant interaction of session and session phase was observed.