Table II.
ANOVA table for the main effects of the WDRC parameters (RT and number of channels), masker type, and input SNR and their interactions on speech recognition (rational arcsine units).
| Source | dfsource | Dferror | F | p | ηG2 |
|---|---|---|---|---|---|
| RT | 1 | 23 | 0.04 | 0.834 | |
| channels | 2 | 46 | 8.93 | 0.001*† | 0.03 |
| masker | 1 | 23 | 21.08 | < 0.001* | 0.02 |
| SNR | 2 | 46 | 1721.61 | < 0.001* | 0.85 |
| RT × channels | 2 | 46 | 9.41 | < 0.001* | 0.01 |
| RT × masker | 1 | 23 | 2.66 | 0.117 | |
| Channels × masker | 2 | 46 | 0.16 | 0.850 | |
| RT × SNR | 2 | 46 | 2.55 | 0.089 | |
| channels × SNR | 4 | 92 | 2.03 | 0.096 | |
| masker × SNR | 2 | 46 | 154.56 | < 0.001* | 0.09 |
| RT × channels × masker | 2 | 46 | 0.08 | 0.924 | |
| RT × channels × SNR | 4 | 92 | 0.90 | 0.470 | |
| RT × masker × SNR | 2 | 46 | 0.82 | 0.448 | |
| channels × masker × SNR | 4 | 92 | 1.90 | 0.118 | |
| RT × channels × masker × SNR | 4 | 92 | 0.53 | 0.711 |
denotes p-values with statistical significance < 0.05.
denotes p-values after correction using the Greenhouse-Geisser epsilon for within-subjects factors with p < 0.05 on Mauchly’s test for Sphericity. ηG2 is the generalized eta-squared statistic for effect size.