Table 4.
| Main effects (Kruskal-Wallis H test) PERC vs. VOC vs. NM | PERC vs. NM | VOC vs. NM | PERC vs. VOC | ||||
|---|---|---|---|---|---|---|---|
| χ2(2) (p value) | U(p) | Effect size (r) | U(p) | Effect size (r) | U(p) | Effect size (r) | |
| Attention quotient | 9.315 (.009) | ||||||
| Inhibitory control quotient | 16.604 (<.001) | −22.160 (<.001) | −0.691 | −8.997 (.271) | −0.286 | −13.163 (.031) | −0.410 |
| Frequency discrimination | 10.535 (.005) | 11.000 (.133) | 0.335 | 17.7 (.004) | 0.539 | −6.700 (.582) | −0.206 |
| Backward masking | 4.730 (.094) | ||||||
| Harmonic encoding of vowel (H2-10) | 11.336 (.003) | −13.278 (.054) | −0.379 | −18.5 (.003) | −0.527 | 5.190 (1.0) | 0.149 |
| Neural differentiation of syllables | 9.962 (.007) | −16.3 (.009) | −0.496 | −4.212 (1.0) | −0.128 | −12.050 (.058) | −0.369 |
Pairwise comparisons were carried out following main effects that were significant at the adjusted alpha level (p<.008), using Mann Whitney U tests. Post hoc p values are adjusted for multiple pairwise comparisons.