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…

Previous studies have shown that learner individual differences have important impacts on L2 accuracy development. The present study examines a learner variable (i.e. extraversion versus introversion) and its effects on incidental focus on form. Twenty-eight ESL students in two classes (an advanced and an upper-intermediate class) and their…

Recent years have witnessed a strong and increasing interest in the incidental learning of second language grammar. While much of this research has focused on the acquisition of second language word order or noun-determiner systems, relatively fewer studies have examined the learning of second language morphology. Results of studies that have…

The current study longitudinally examined the influence of aptitude on second language (L2) pronunciation development when 40 first-year Japanese university students engaged in practice activities inside and outside English-as-a-Foreign-Language classrooms over one academic year. Spontaneous speech samples were elicited at the beginning, middle,…

This study investigates the role of morphological awareness in the incidental learning of Mandarin Chinese characters among Chinese as second language (CSL) learners. Participants of the study were 20 college-level international students, uniformly Thai in language background, enrolled to study CSL at Southwest University, Chongqing, China. The…

Focus on form instruction is a kind of instruction that draws students, attention to linguistic elements as they arise incidentally in meaning based instruction. There are different types of focus on form instruction. The present study was designed to investigate the effect of incidental focus on form on grammatical accuracy among Iranian L2…