Edited by Eun Hee Jeon and Yo In'nami
[Bilingual Processing and Acquisition 13] 2022
► pp. 369–385
Chapter 12Discussion, limitations, and future research
This chapter synthesizes the results of the six meta-analyses (Chapters 3, 5, 6, 8, 10, and 11) included in this volume and interprets the findings in reference to the theories and models of L2 proficiency and assessment. We first review influential theories and models of L2 proficiency starting with Spearman’s (1904, 1927) and Oller’s (1979) unitary view of language proficiency, leading to the most recent, Hulstijn’s (2015, 2019) core-periphery model. We then discuss the findings of 4 meta-analyses which reported on the correlations between each of the four L2 skills and its external correlates. Next, we discuss the findings of 2 meta-analyses which reported on the correlations between productive L2 skills (writing and speaking) and their internal correlates. The chapter then discusses the limitations and future research directions.
- 2.Relevant theories and models of L2 proficiency
- 3.Synthesis of findings of the 4 meta-analyses examining the relationship between L2 skills and their external correlates
- 3.1Strengths of association between correlates and target L2 skills found across the four meta-analyses
- 3.2On processing efficiency
- 3.3Relationship between language-general correlates and L2 proficiency
- 4.Synthesis of findings of the two meta-analyses examining the relationship between L2 skills and their internal correlates
- 5.Limitations and future research
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