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Chen, Meng-Hua; Tseng, Wen-Ta; Hsiao, Tsung-Yuan – British Journal of Educational Technology, 2018
This study presents the results of a meta-analytic study about the effects of digital game-based learning (DGBL) on vocabulary. The results of the study showed that the effects of DGBL on vocabulary learning may vary with game design features (Q = 5.857, df = 1, p = 0.016), but not with learners' age (Q = 0.906, df = 1, p = 0.341) or linguistic…
Descriptors: Computer Games, Vocabulary Development, Meta Analysis, Design
Liu, Jin – ProQuest LLC, 2015
Statistical power is important in a meta-analysis study, although few studies have examined the performance of simulated power in meta-analysis. The purpose of this study is to inform researchers about statistical power estimation on two sample mean difference test under different situations: (1) the discrepancy between the analytical power and…
Descriptors: Statistical Analysis, Meta Analysis, Simulation, Computation