This study of second language idiom acquisition investigates the interaction of two factors, the L1 effect and the effect of supportive context in the L2 input, when both are available to learners. An experiment consisting of a pretest, a computer-assisted instructional treatment session and a posttest employed three idiom types that differed in…

This paper reports an experiment designed to evaluate an attempt to improve the effectiveness of an existing L2 idiom-learning tool. In this tool, learners are helped to associate the abstract, idiomatic meaning of expressions such as "jump the gun" (act too soon) with their original, concrete meaning (e.g. associating "jump the…

Refutation texts have been shown to be effective at promoting knowledge revision. It has been suggested that refutation texts are most effective when the misconception and the correct information are co-activated and integrated with causal networks that support the correct information. We explored two augmentations to a refutation text that might…