The purpose of this study was to investigate the role of high and low reinvestment on the acquisition, retention and automaticity of dart throwing skill based on the interference-error model. One hundred participants were selected and divided into two categories of high and low movement reinvestment using the movement specific reinvestment scale. Subjects of each category were randomly divided into five groups: block-errorless, block-errorfull, random-errorless, random-errorfull and random. After the pre-test and the acquisition phase, experimental groups participated in the retention and automaticity tests. Based on the results, the best and worst performance was observed for the random-errorless and random errorfull groups respectively. There was a significant difference between two categories of high and low movement reinvestment in retention and automaticity tests in favor of low movement reinvestment. In both acquisition and retention test, the block groups performed better in the high reinvestment category and the random groups performed better in low reinvestment category. Results were different at the automaticity phase and in all groups was in favor of the low movement reinvestment category. The results of this study show that the level of reinvestment can play an important role in learning and automaticity of motor skills. People with lover level of reinvestment perform better in practice conditions with more cognitive effort (random practice) and people with a higher level of reinvestment perform better in practice conditions with less cognitive effort (block practice).

Keywords: movement reinvestment, errorless practice, contextual interference, automaticity

     

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