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In this experiment, we investigated the motivational effects of feedback on motor learning observing the impact of temporal-comparison feedback on the learning of a coincident timing task. Two groups of participants, a positive (PTC) and a negative temporal-comparison group (NTC), received veridical feedback about their accuracy scores after every other practice trial (50%). In addition, after each block of 10 trials, the PTC group was given bogus feedback suggesting that their average performance was better than it was in the previous block, while the NTC group received bogus feedback suggesting that their average performance was worse than it was in the previous block. A retention test was performed one day after the practice phase, without feedback, to observe learning effects. In addition, after the practice phase and before the retention test, all participants filled out questionnaires to report their self-efficacy levels. The results demonstrate that temporal-comparison feedback affects the learning of motor skills. Participants of the PTC group showed greater timing accuracy and reported higher self-efficacy levels than the NTC group on the retention test. The findings further support the important motivational role of feedback for motor learning.
Chiviacowsky is with the Federal University of Pelotas, Pelotas, Brazil. Drews is with University of São Paulo, São Paulo, Brazil.