Table 4.
Tests for heterogeneity and moderator tests for individual moderator submissions to the multi-level random-effects model
| Moderator | σ2Level 2 | QE | df | pQ | F | df | pF |
|---|---|---|---|---|---|---|---|
| Experimental design | 0.034 | 130.7446 | 73 | < .0001*** | 2.97 | 3 | 0.279 |
| Blinding | 0.034 | 132.7431 | 74 | < .0001*** | 0.32 | 2 | 0.753 |
| Cognitive domain | 0.050 | 106.5317 | 54 | < .0001*** | 1.37 | 2 | 0.418 |
| Target region | 0.035 | 125.3812 | 69 | < .0001*** | 0.41 | 3 | 0.775 |
| Timing | 0.034 | 133.2222 | 75 | < .0001*** | 0.01 | 1 | 0.933 |
| Electrode distance | 0.023 | 113.8478 | 70 | .0007*** | 0.06 | 3 | 0.972 |
| Measure | 0.035 | 132.0243 | 74 | < .0001*** | 0.17 | 2 | 0.853 |
| Stimulation intensity | 0.034 | 131.6208 | 74 | < .0001*** | 3.06 | 2 | 0.22 |
| Electrode size | 0.034 | 132.1122 | 75 | < .0001*** | 4.32 | 1 | 0.101 |
| Current density | 0.034 | 132.2976 | 75 | < .0001*** | 3.95 | 1 | 0.13 |
| Density charge | 0.034 | 132.7747 | 75 | < .0001*** | 1.91 | 1 | 0.250 |
| Age | 0.035 | 132.569 | 73 | < .0001*** | 0.92 | 1 | 0.375 |
| Gender | 0.034 | 132.7958 | 75 | < .0001*** | 0.56 | 1 | 0.493 |
Test statistic, degrees of freedom and respective p values are provided
Results for cognitive domain are based on the model fit after exclusion of factor levels
*p < .05
**p < .01
***p < .001