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Motricidade

versão impressa ISSN 1646-107X

Resumo

CORREA, Umberto C. et al. Effects of the amount and schedule of varied practice after constant practice on the adaptive process of motor learning. Motri. [online]. 2014, vol.10, n.4, pp.35-46. ISSN 1646-107X.  http://dx.doi.org/10.6063/motricidade.10(4).2905.

This study investigated the effects of different amounts and schedules of varied practice, after constant practice, on the adaptive process of motor learning. Participants were one hundred and seven children with a mean age of 11.1 ± 0.9 years. Three experiments were carried out using a complex anticipatory timing task manipulating the following components in the varied practice: visual stimulus speed (experiment 1); sequential response pattern (experiment 2); and visual stimulus speed plus sequential response pattern (experiment 3). In all experiments the design involved three amounts (18, 36, and 63 trials), and two schedules (random and blocked) of varied practice. The experiments also involved two learning phases: stabilization and adaptation. The dependent variables were the absolute, variable, and constant errors related to the task goal, and the relative timing of the sequential response. Results showed that all groups worsened the performances in the adaptation phase, and no difference was observed between them. Altogether, the results of the three experiments allow the conclusion that the amounts of trials manipulated in the random and blocked practices did not promote the diversification of the skill since no adaptation was observed.

Palavras-chave : adaptive system; practice schedule; variability; coincident timing.

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