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Norouzian, Reza – Studies in Second Language Acquisition, 2020
Researchers are traditionally advised to plan for their required sample size such that achieving a sufficient level of statistical power is ensured (Cohen, 1988). While this method helps distinguishing statistically significant effects from the nonsignificant ones, it does not help achieving the higher goal of accurately estimating the actual size…
Descriptors: Sample Size, Planning, Language Research, Second Language Learning
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Solon, Megan; Long, Avizia Y.; Gurzynski-Weiss, Laura – Studies in Second Language Acquisition, 2017
This study tests the theoretical predictions regarding effects of increasing task complexity (Robinson, 2001a, 2001b, 2007, 2010; Robinson & Gilabert, 2007) for second language (L2) pronunciation. Specifically, we examine whether more complex tasks (a) lead to greater incidence of pronunciation-focused language-related episodes (LREs) and (b)…
Descriptors: Second Language Learning, Statistical Analysis, Pronunciation, Phonetics