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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/21718
Title: The Effects of Performance-Based and Self-Controlled Feedback Schedules on Motor Learning
Authors: Barney, Justin G.
Advisor: Lee, Timothy D.
Department: Kinesiology
Keywords: performance-based, self-controlled, feedback, schedules, motor learning
Publication Date: Aug-2007
Abstract: <p>This study examined the effects of self-controlled and performance-based feedback schedules on the acquisition and retention of a novel motor task. In Experiment 1 participants performed an interception task on a computer using a mouse-controlled cursor. The goal of the task was to intercept the image of a red circle as it passed through a designated area. Each trial received a score based on the speed and accuracy of the interception movement. Participants were randomly assigned to three feedback groups: Best-trial feedback, Worst-trial feedback, and Self-controlled feedback. No differences were found between groups in acquisition, however analysis of no-feedback retention and transfer tests indicated that the Worst-trial group showed the most significant improvements in performance. Experiment 2 examined the potential mechanisms contributing to the advantages of a worst-trial feedback schedule. Participants in the second experiment performed the same interception task utilized in Experiment 1 under two novel feedback conditions: Estimation feedback and Immediate feedback. These new groups were compared to the Worst-trial group from Experiment 1. Analysis of no-feedback retention and transfer tests again indicated that the Worst-trial group showed the most significant improvements in performance. These results suggest that self-controlled schedules may not be ideal when feedback is based on performance; instead, specific error information for the least successful trials appear to be most beneficial, especially when individuals have knowledge of results regarding previous attempts at the task.</p>
URI: http://hdl.handle.net/11375/21718
Appears in Collections:Digitized Open Access Dissertations and Theses

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