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Evaluating the Performance of the Uncorrected and Corrected Reliability Alpha for Range Restriction and the Confidence Intervals in a Single and Meta-Analytic Study
DownloadSpring 2013
Range restriction has long been a methodological problem in educational and psychological research (Hunter & Schmidt, 2004), and this usually leads to a downward-biased estimate of a statistic. Even though much research has examined the performance of Pearson’s correlation under range restriction...
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The Effects of Reading Interventions on the Word-Reading Performance of English Language Learners: A Meta-Analysis
DownloadFall 2017
Despite a large body of research on the effectiveness of reading interventions for monolingual English speakers, research on reading interventions for English language learners (ELLs) is still relatively scarce. Because the number of ELLs in schools is growing rapidly and these students often...