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Yan, Xun; Maeda, Yukiko; Lv, Jing; Ginther, April – Language Testing, 2016
Elicited imitation (EI) has been widely used to examine second language (L2) proficiency and development and was an especially popular method in the 1970s and early 1980s. However, as the field embraced more communicative approaches to both instruction and assessment, the use of EI diminished, and the construct-related validity of EI scores as a…
Descriptors: Second Language Learning, Language Proficiency, Meta Analysis, Effect Size
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Ray, Dee C.; Armstrong, Stephen A.; Balkin, Richard S.; Jayne, Kimberly M. – Psychology in the Schools, 2015
The authors conducted a meta-analysis and systematic review that examined 23 studies evaluating the effectiveness of child centered play therapy (CCPT) conducted in elementary schools. Meta-analysis results were explored using a random effects model for mean difference and mean gain effect size estimates. Results revealed statistically significant…
Descriptors: Meta Analysis, Play Therapy, Literature Reviews, Student Centered Curriculum
Straus, Murray A. – 1987
The feasibility of employing survey data that uses the states of the United States as the societal units in macro-level sociological research was studied. The range of issues available for research opened to investigation would be greatly expanded if it were possible to aggregate national survey data to produce state-level statistics for variables…
Descriptors: Concurrent Validity, Construct Validity, Demography, Meta Analysis