Research Article
Slow Cortical Potentials and Amplification—Part II: Acoustic Measures
Table 3
ANOVA results for all measures of the short stimulus. Shown are p values of the ANOVA and of the simple main effects, where appropriate.
| | 20 dB gain | 40 dB gain | | Amp 30 ms | Amp Max | Rise time | Amp 30 ms | Amp Max | Rise time |
| Main effects | | | | | | | Hearing aid (HA) | p < .001 | p < .001 | p < .001 | p < .001 | p < .001 | p < .001 | Input level (LVL) | p = .001 | p = .054 | p < .001 | p = .045 | p = .087 | p = .004 | HA × LVL | p = .03 | p = .11 | p < .001 | p = .036 | p = .99 | p < .001 | Simple main effects | | | | | | | Effect of LVL | | | | | | | For analog | p = .018 | * | p = .744 | p = .309 | * | p = .484 | For DigitalA | p = .004 | * | p = .001 | p = .028 | * | p = .007 | For DigitalB | p = .048 | * | p = .121 | p = .194 | * | p = .045 | Effect of HA | | | | | | | At 30 dB SPL | p < .001 | * | p < .001 | p = .001 | * | p < .001 | At 50 dB SPL | p < .001 | * | p < .001 | p = .001 | * | p < .001 | At 70 dB SPL | p < .001 | * | p < .001 | — | — | — |
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Boldface indicates significance at p < .1. *: Indicates the analysis was not necessary. —: Indicates no data collected for those conditions.
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