Practice effects on the different-hand reaction time advantage for a two-choice task

M. A. Hart, T. G. Reeve

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

In a two-choice task, response interference results in slower reaction times when both possible responses are from the same hand, rather than from different hands (Kornblum, 1965; Reeve & Proctor, 1988). The purpose of this study was to examine the effects of practice on response interference. Participants performed a pre-test that consisted of two blocks of reaction time trials, one using the right-index and right-middle fingers (a same-hand finger pairing) and the other using the left-index and right-middle fingers (a different-hand finger pairing). Following the pre-test, participants practiced with either the same-hand finger pairing or the different-hand finger pairing. Following two days of practice, the participants performed a post-test, which was the same as the pre-test. The reaction times for the right-middle finger were analyzed using a 2×2×2 (Group×Test×Finger Pairing) ANOVA with repeated measures on the last two factors. The analysis revealed a significant three-way interaction. The results indicated a specificity of practice effect as a function of finger pairing, signifying that response interference arises from preparation processes that are amendable with practice.

Original languageEnglish
Pages (from-to)225-234
Number of pages10
JournalJournal of Human Movement Studies
Volume38
Issue number5
StatePublished - 2000

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