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Effects of Recasts on the Acquisition of the Aspectual Form ‐te i‐(ru) by Learners of Japanese as a Foreign Language
Author(s) -
Ishida Midori
Publication year - 2004
Publication title -
language learning
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.882
H-Index - 103
eISSN - 1467-9922
pISSN - 0023-8333
DOI - 10.1111/j.1467-9922.2004.00257.x
Subject(s) - psychology , resultative , session (web analytics) , linguistics , contrast (vision) , foreign language , period (music) , corrective feedback , second language , mathematics education , second language acquisition , computer science , artificial intelligence , verb , philosophy , physics , world wide web , acoustics
The present study investigated the effects of intensive recasting on second language learners’ use of the Japanese aspectual form ‐te i‐(ru) using a time‐series design. Four college classroom learners participated in 8 conversational sessions, with the researcher providing recasts during the middle 4 sessions, and 2 of the learners also participated in a delayed‐posttest session after 7 weeks. Overall accuracy increased significantly in correlation with the number of recasts provided during the treatment period, and the accuracy rate was retained. However, in contrast to the prediction based on the aspect hypothesis, the progressive use of ‐te i‐(ru) was less accurate than the resultative use, which showed constant increase in every learner's performance. Possible accounts for the results include the role of input in classroom instruction, learners’ developmental readiness, and complexity of form‐function mapping.