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Yanagisawa, Akifumi; Webb, Stuart – Studies in Second Language Acquisition, 2022
The present meta-analysis aimed to improve on Involvement Load Hypothesis (ILH) by incorporating it into a broader framework that predicts incidental vocabulary learning. Studies testing the ILH were systematically collected and 42 studies meeting our inclusion criteria were analyzed. The model-selection approach was used to determine the optimal…
Descriptors: Cognitive Ability, Vocabulary Development, Meta Analysis, Linguistic Theory
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Yanagisawa, Akifumi; Webb, Stuart – Language Learning, 2021
The involvement load hypothesis (ILH) was designed to predict the effectiveness of instructional tasks for incidental L2 vocabulary learning. In this meta-analysis we examined 398 effect sizes from 42 empirical studies (N = 4,628) to explore (a) the overall predictive ability of the ILH, (b) the relative effects of different components of the ILH…
Descriptors: Linguistic Theory, Vocabulary Development, Second Language Learning, Second Language Instruction