from Part IV - Aptitude–Treatment Interaction (ATI)
Published online by Cambridge University Press: 27 May 2023
Aptitude–treatment interaction research seeks to determine whether learners extract more benefit from a specific type of instruction in accordance with their language aptitude. Against this backdrop, the present quasi-experimental study addressed the moderating role of language aptitude whilst considering the timing of form-focused instruction within a task cycle and learners’ levels of proficiency. Eight intact groups (N = 159) of French L2 university-level students (4 B1- and 4 B2-level groups) completed a ranking task and a decision task during their regular class time. Results from multiple regression analyses showed that: (a) language analytic ability, measured by LLAMA F, significantly predicted variance for the lower-level proficiency learners who received explicit instruction before or during the tasks; (b) implicit/procedural learning, measured by LLAMA D, significantly predicted variance for the higher-level proficiency learners who received explicit instruction during the task; and (c) no significant interactions were observed for the post-task and the control group.
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