Context Effects on EFL Vocabulary Learning : Focusing on Word Imageability and Test Formats
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概要
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A widespread view on second language (L2) learning is that vocabulary should be learned in context. Some researchers have suggested that the extent to which context affects vocabulary learning may be somewhat narrow; others have reported positive effects for the use of contextualized learning or recognition of L2 words. In the present study, the effects of context on vocabulary learning and testing were examined in the light of word imageability, which is image-evoking value of language. There were three main points of interest: (a) the relation between context type and imageability, (b) context and imageability effects on learning, and (c) the differences of these effects between test formats. A total of 22 Japanese university students participated in the experiment. They learned 21 target words in three learning conditions differing by context type, and recalled them on definition-cued, translation, and multiple-choice tests. In addition, the participants had two occasions to rate word imageability. Results suggested the following three findings. First, contextualized learning may affect target words' imageability, even when context effects on retention are not readily apparent. Second, context effects on the posttest scores were not significant even when the learners were provided with definition sentences (in the definition-cued test) or choices (in the multiple-choice test). Third, imageability effects were found in several types of posttests. Taken together, even if the presentation of context does not enhance learning directly, it will affect learner's performance giving target vocabulary a relevant image. Therefore, it is suggested that imageability can be helpful to reveal context effects on vocabulary learning and testing. Future research should investigate what learners represent in their mind based on contextual information.
- 2010-11-15
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関連論文
- Context Effects on EFL Vocabulary Learning : Focusing on Word Imageability and Test Formats
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