Design Issues and Inference in Experimental L2 Research

Explicit attention to research design issues is essential in experimental second language (L2) research. Too often, however, such careful attention is not paid. This article examines some of the issues surrounding experimental L2 research and its relationships to causal inferences. It discusses the...

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Bibliographic Details
Published in:Language learning 2015-06, Vol.65 (S1), p.76-96
Main Authors: Hudson, Thom, Llosa, Lorena
Format: Article
Language:English
Subjects:
Attribution Theory
causal inferences
Correlation
experimental research
external validity
Inferences
internal validity
L2 research
Language Research
Research design
Research Methodology
Sample Size
Second Language Learning
Validity
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Summary:Explicit attention to research design issues is essential in experimental second language (L2) research. Too often, however, such careful attention is not paid. This article examines some of the issues surrounding experimental L2 research and its relationships to causal inferences. It discusses the place of research questions and hypotheses, threats to internal and external validity, specific experimental designs, sample size, and the language used in discussing causal relationships. It is hoped that this discussion will bring design issues to the forefront in experimental L2 research.
ISSN:0023-8333
1467-9922
DOI:10.1111/lang.12113