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Table 9 Effect size by research method

From: A meta-analysis on educational technology in English language teaching

Research method Model N Effect size Std. deviation Sig Result
Quantitative Fixed effects 6 3.07 0.843 0.000 Significant
Random effects 2.46 1.12 0.000 Significant
Qualitative Fixed effects 2 0.32 1.10 0.006 Significant
Random effects 0.36 1.15 0.002 Significant
Qualitative and quantitative Fixed effects 2 0.87 1.24 0.001 Significant
Random effects 0.87 0.881 0.001 Significant
Quasi-experimental Fixed effects 22 1.095 0.912 0.036 Significant
Random effects 0.369 0.768 0.025 Significant
Experimental Fixed effects 12 2.37 0.808 0.009 Significant
Random effects 1.84 0.757 0.012 Significant
Descriptive and correlational Fixed effects 5 0.632 0.521 0.027 Significant
Random effects 0.956 0.652 0.065 Significant
Mixed-methods Fixed effects 8 1.056 1.23 0.000 Significant
Random effects 1.861 1.05 0.000 Significant
Survey research Fixed effects 3 1.172 1.035 0.031 Significant
Random effects 1.210 0.146 0.039 Significant