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Direct linkLindstromberg, Seth – Language Teaching Research, 2016
This article reviews all (quasi)experimental studies appearing in the first 19 volumes (1997-2015) of "Language Teaching Research" (LTR). Specifically, it provides an overview of how statistical analyses were conducted in these studies and of how the analyses were reported. The overall conclusion is that there has been a tight adherence…
Descriptors: Meta Analysis, Second Language Learning, Second Language Instruction, Guidelines
Pennock-Roman, Maria; Rivera, Charlene – Educational Measurement: Issues and Practice, 2011
The objective was to examine the impact of different types of accommodations on performance in content tests such as mathematics. The meta-analysis included 14 U.S. studies that randomly assigned school-aged English language learners (ELLs) to test accommodation versus control conditions or used repeated measures in counter-balanced order.…
Descriptors: Testing Accommodations, Printed Materials, Second Language Learning, Glossaries
Download full textRolstad, Kellie; Mahoney, Kate; Glass, Gene V. – Journal of Educational Research & Policy Studies, 2008
In light of a recent revelation that Gersten (1985) included erroneous information on one of two programs for English Language Learners (ELLs), the authors re-calculate results of their earlier meta-analysis of program effectiveness studies for ELLs in which Gersten's studies had behaved as outliers (Rolstad, Mahoney & Glass, 2005). The correction…
Descriptors: Bilingual Education, Second Language Learning, Program Effectiveness, Effect Size
