The Effects of Task Involvement Load on L2 Incidental Vocabulary Learning: A Meta‐Analytic Study

This meta‐analytic study provides a systematic statistical synthesis of the effects of output tasks on second or foreign incidental vocabulary learning. A total of 12 studies were included in this meta‐analysis. Five mediator variables were examined: design quality, types of output task, time on task, genres of text, and text–target word ratios. Results show that language learners who completed an output task outperformed those who only read a...