Table 2.
Test of Heterogeneity | Effect Size | ||||||||
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Sample | Q | df | p value | T2 | H | I2 [95% CI] | SMD [95% CI] | z-score | p value |
Amplitude Measures: All | 98.48 | 63 | <0.01 | 0.09 | 1.25 | 36.0 [13–53] | 0.071 [−0.06–0.20] | 1.1 | 0.27 |
Amplitude Measures: Counterbalanced | 24.07 | 23 | 0.40 | 0.01 | 1.02 | 4.4 [0–35] | 0.15 [−0.02–0.32] | 1.78 | 0.07 |
Amplitude Measures: Speech | 11.27 | 10 | 0.34 | 0.02 | 1.06 | 11.2 [0–51] | 0.01 [−0.25–0.27] | 0.07 | 0.94 |
Amplitude Measures: Nonspeech | 10.87 | 12 | 0.54 | 0.00 | 1.00 | 0.0 [0–52] | 0.25 [0.03–0.46] | 2.26 | 0.02 |
Latency Measures: All | 154.32 | 49 | <0.01 | 0.36 | 1.79 | 68.9 [58–77] | −0.02 [−0.22–0.19] | −0.14 | 0.89 |
Latency Measures: Counterbalanced | 67.03 | 18 | <0.01 | 0.47 | 1.93 | 22.9 [0–56] | 0.16 [−0.20–0.53] | 0.89 | 0.37 |