Frequency effects of knowledge of results in learning of a motor task with spatial control demands in visual impairment people
The objective of the present study was to verify the effects of knowledge of results (KR) frequency in learning of a motor skill of adults with visual impairment. Nineteen subjects were distributed into two groups in relation to the diverse conditions of KR frequency used. The 100% frequency group received KR after each trial, while the 50% frequency group received KR in half of the trials. A linear positioning task was used, with spatial control demand. The tested hypothesis is that subjects with visual impediments, who practiced with reduced KR frequency, will demonstrate a higher learning than subjects who practiced with 100% KR, according to the previous results in adults without visual impairments. The data analysis carried out through the ANOVA, exhibit no differences between the groups, showing that reduced frequencies are so effective as high frequencies in the learning of a motor skill in adults with visual impairment.
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