Table 10 Effect size by instrument
From: A meta-analysis on educational technology in English language teaching
Type of instrument | Model | N | Effect size | Std. deviation | Sig | Result |
|---|---|---|---|---|---|---|
Questionnaire | Fixed effects | 37 | 2.03 | 1.321 | 0.037 | Significant |
Random effects | 1.21 | 1.782 | 0.031 | Significant | ||
Interview | Fixed effects | 3 | 0.784 | 1.682 | 0.028 | Significant |
Random effects | 0.726 | 0.946 | 0.011 | Significant | ||
Observations | Fixed effects | 2 | 4.53 | 0.645 | 0.000 | Significant |
Random effects | 6.35 | 0.896 | 0.000 | Significant | ||
Interview, observation | Fixed effects | 2 | 0.13 | 0.904 | 0.003 | Significant |
Random effects | 0.31 | 0.776 | 0.002 | Significant | ||
Observation, questionnaire | Fixed effects | 2 | 2.46 | 0.754 | 0.010 | Significant |
Random Effects | 3.84 | 1.143 | 0.019 | Significant | ||
Questionnaire, tests | Fixed effects | 14 | 1.15 | 1.68 | 0.000 | Significant |
Random effects | 1.81 | 1.03 | 0.000 | Significant |