“…An underappreciated function of feedback in the motor learning literature has been its influence on the performer's motivational state. In a series of recent studies, providing learners with feedback after "good" trials, compared with "poor" trials, resulted in more effective learning (Badami, VaezMousavi, Wulf, & Namazizadeh, 2012;Chiviacowsky & Wulf, 2007;Chiviacowsky, Wulf, Wally, & Borges, 2009;Saemi, Porter, Ghotbi-Varzaneh, Zarghami, & Maleki, 2012;Saemi, Wulf, Varzaneh, & Zarghami, 2011). In those studies, feedback about task performance was given after blocks of trials.…”