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A guide to doing statistics in second language research using SPSS
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This valuable book shows second language researchers how to use the statistical program SPSS to conduct statistical tests frequently done in second language research, including chi-square, t-tests, correlation, multiple regression, ANOVA and non-parametric analogs to these tests.Abstract:
This valuable book shows second language researchers how to use the statistical program SPSS to conduct statistical tests frequently done in SLA research. Using data sets from real SLA studies, A Guide to Doing Statistics in Second Language Research Using SPSS shows newcomers to both statistics and SPSS how to generate descriptive statistics, how to choose a statistical test, and how to conduct and interpret a variety of basic statistical tests. The author covers the statistical tests that are most commonly used in second language research, including chi-square, t-tests, correlation, multiple regression, ANOVA and non-parametric analogs to these tests. The text is abundantly illustrated with graphs and tables depicting actual data sets, and exercises throughout the book help readers understand concepts (such as the difference between independent and dependent variables) and work out statistical analyses. Answers to all exercises are provided on the book�s companion website, along with sample data sets and other supplementary material.read more
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Rethinking Convenience Sampling: Defining Quality Criteria
TL;DR: This article introduced conditions and criteria which enable researchers to account for these drawbacks and at the same time make validity claims, and the contribution of this method to the current procedures of sampling arises from its factual accuracy which is supposed to enhance the validity of findings obtained from studies employing nonprobability sampling procedures.
Journal ArticleDOI
Quantitative Research Methods, Study Quality, and Outcomes: The Case of Interaction Research
Luke Plonsky,Susan M. Gass +1 more
TL;DR: The authors surveyed a corpus of 174 studies within the tradition of research on second-language interaction, one of the longest and most influential traditions of inquiry in SLA, and provided the first empirical assessment of methodological quality in second language acquisition (SLA).
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The Routledge handbook of instructed second language acquisition
Shawn Loewen,Masatoshi Sato +1 more
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Study quality in SLA
TL;DR: The authors assesses research and reporting practices in quantitative second language (L2) research and point out several systematic strengths as well as many flaws, such as a lack of control in experimental designs, incomplete and inconsistent reporting practices, and low statistical power.
Journal ArticleDOI
Meta-analysis in Second Language Research: Choices and Challenges
Frederick L. Oswald,Luke Plonsky +1 more
TL;DR: The authors describes typical stages of a meta-analysis in second language acquisition (SLA) research: defining the research domain, developing a reliable coding scheme, analyzing data, and interpreting results.
References
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Statistical Power Analysis
TL;DR: The application of positron emis sion tomography (PEM) to the study of panic disorder was discussed in this paper, where a focal brain abnormal ity in panic disorder, a severe form of anxiety, was discussed.