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Direct linkLin, Huifen – Language Learning & Technology, 2015
This meta-analysis reports the results of a systematic synthesis of primary studies on the effectiveness of computer-mediated communication (CMC) in second language acquisition (SLA) for the period 2000-2012. By extracting information on 21 features from each primary study, this meta-analysis intends to summarize the CMC research literature for…
Descriptors: Computer Mediated Communication, Second Language Learning, Meta Analysis, Effect Size
Download full textBiber, Douglas; Nekrasova, Tatiana; Horn, Brad – ETS Research Report Series, 2011
This research project undertook a review and synthesis of previous research on the effectiveness of feedback for individual writing development. The work plan was divided into two main phases. First, we surveyed all available studies that have investigated the effectiveness of writing feedback, including both quantitative and qualitative research,…
Descriptors: English (Second Language), Second Language Instruction, Feedback (Response), Writing Skills
Kostin, Irene – Educational Testing Service, 2004
The purpose of this study is to explore the relationship between a set of item characteristics and the difficulty of TOEFL[R] dialogue items. Identifying characteristics that are related to item difficulty has the potential to improve the efficiency of the item-writing process The study employed 365 TOEFL dialogue items, which were coded on 49…
Descriptors: Statistical Analysis, Difficulty Level, Language Tests, English (Second Language)
