Research Article
Slow Cortical Potentials and Amplification—Part II: Acoustic Measures
Table 4
ANOVA results for all measures of the long 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 < 0.001 | p = 0.656 | p < 0.001 | p < 0.001 | p = 0.314 | p < 0.001 | Input level (LVL) | p < 0.001 | p = 0.005 | p = 0.424 | p = 0.027 | p = 0.298 | p = 0.016 | HA × LVL | p = 0.031 | p = 0.09 | p < 0.001 | p = 0.091 | p = 0.107 | p = 0.029 | Simple main effects | | | | | | | Effect of LVL | | | | | | | For analog | p = 0.023 | p = 0.009 | p = 0.647 | p = 0.956
| | p = 0.429 | For digitalA | p = 0.006 | p = 0.067 | p = 0.02 | p = 0.134 | | p = 0.030 | For digitalB | p = 0.002 | p = 0.003 | p = 0.07 | p = 0.015 | | p = 0.007 | Effect of HA | | | | | | | At 30 dB SPL | p < 0.001 | p = 0.457 | p < 0.001 | p < 0.001 | | p < 0.001 | At 50 dB SPL | p < 0.001 | p = 0.377 | p < 0.001 | p < 0.001 | | p < 0.001 | At 70 dB SPL | p < 0.001 | p = 0.97 | p < 0.001 | | | |
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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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