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Norris, John M. – Language Learning, 2015
Traditions of statistical significance testing in second language (L2) quantitative research are strongly entrenched in how researchers design studies, select analyses, and interpret results. However, statistical significance tests using "p" values are commonly misinterpreted by researchers, reviewers, readers, and others, leading to…
Descriptors: Language Research, Second Language Learning, Statistical Analysis, Statistical Significance
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Stevens, Gillian – Language Learning, 2006
Studies investigating the possible effects of age at immigration (a proxy for age at onset of second language learning) on second language acquisition among immigrants often explicitly take the effect of length of residence in the destination country (a measure of exposure to opportunities to learn the second language) into account. A third…
Descriptors: Age, Immigration, Second Language Learning, Immigrants