Saturday, October 26, 2013

Study Quality in SLA

Today I read this article on the quality of SLA research when it comes to following appropriate statistical procedures in quantitative research in the field and found it quite illuminating.
by


Luke
Plonsky
Northern Arizona University 
Abstract:

This study assesses research and reporting practices in quantitative second language (L2) research. A sample of 606 primary studies, published from 1990 to 2010 in Language Learning and Studies in
Second Language Acquisition, was collected and coded for designs, statistical analyses, reporting practices, and outcomes (i.e., effect sizes). The results point to 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. I discuss these trends, strengths, and weaknesses in comparison with methodological reviews of L2 research (e.g., Plonsky & Gass, 2011) as well as reviews from other fi elds (e.g., education, Skidmore & Thompson, 2010). On the basis of the fi ndings, I also make a number of suggestions for methodological reforms in applied
linguistics.

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