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Quantitative Research Methods, Study Quality, and Outcomes: The Case of Interaction Research
Abstract
This article constitutes the first empirical assessment of methodological quality in second language acquisition (SLA). We surveyed a corpus of 174 studies (N = 7,951) within the tradition of research on second‐language interaction, one of the longest and most influential traditions of inquiry in SLA. Each report was coded for methodological features, statistical analyses, and reporting practices associated with research quality, and the resulting data were examined both cumulatively and over time. The findings indicate not only strengths and weaknesses but a possible relationship between study quality and outcomes; improvements over time and methodological trends are also noted. In addition to providing direction for future research and research practices, the study's findings are discussed and contextualized within the research culture of SLA.
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“In order to ensure the validity and reliability of interactionist research, it is important to consider the methodological choices that are made (Plonsky & Gass 2011).”
From Interaction and instructed second language acquisition (2018) · cites this paper as Plonsky & Gass 2011
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“particularly given the methodological shortcomings of many previous studies (Plonsky & Gass 2011).”
From Interaction and instructed second language acquisition (2018) · cites this paper as Plonsky & Gass 2011
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Metadata
- Authors
- Plonsky, L., & Gass, S.
- Affiliations
- Michigan State University (US)
- Corresponding author
- Plonsky, Luke
- Venue
- Language Learning
- Publisher
- Wiley
- Published
- 2011-03-28
- Volume
- 61
- Issue
- 2
- Pages
- 325-366
- ISSN
- 0023-8333 (ISSN-L)
- 1467-9922
- OpenAlex
- W2171052005
- Cited by
- 267
- References
- 123
- Citations by year
- 2026: 9 · 2025: 19 · 2024: 16 · 2023: 22 · 2022: 10 · 2021: 20 · 2020: 35 · 2019: 41 · 2018: 22 · 2017: 12 · 2016: 17 · 2015: 17 · 2014: 12 · 2013: 9 · 2012: 3
- FWCI
- 41.55
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Language Learning (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Topics
- Social Sciences › Education › Educational Research and Methods
- Social Sciences › Arts and Humanities › Language and Linguistics › EFL/ESL Teaching and Learning
- Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
- Keywords
- second language interaction, methodological quality, research quality, quantitative methods, reporting practices, statistical analysis, research trends over time, research culture, second language acquisition
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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