Skip to main content
. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Int J Audiol. 2011 Apr 12;50(7):459–467. doi: 10.3109/14992027.2011.568011

Table 2.

ANOVA Results.

Repeated-measures analyses of variance (ANOVA) results for data collected at electrode Cz and for global field power (GFP). Results for latency and amplitude across components P1, N1, and P2 are included.

Effect of Output Level Effect of Amplification (unaided vs. aided) Amplification × Output
F-statistic (df) P-value F-statistic (df) P-value F-statistic (df) P-value
Cz
Latency
P1 5.028 (3,24) 0.008 20.682 (1,8) 0.002 1.160 (3,24) 0.331
N1 2.799 (3,24) 0.062 18.854 (1,8) 0.002 1.263 (3,24) 0.309
P2 3.394 (3,24) 0.034 19.192 (1,8) 0.002 1.914 (3,24) 0.154
Amplitude
P1 0.087 (3,24) 0.967 13.371 (1,8) 0.006 0.985 (3,24) 0.417
N1 1.880 (3,24) 0.160 1.435 (1,8) 0.265 0.419 (3,24) 0.741
P2 2.637 (3,24) 0.073 7.772 (1,8) 0.024 4.184 (3,24) 0.016
GFP
Latency
N1 6.124 (3,24) 0.003 75.569 (1,8) < 0.001 3.543 (3,24) 0.059
P2 2.452 (3,24) 0.088 71.03 (1,8) < 0.001 0.341 (3,24) 0.796
Amplitude
N1 5.462 (3,24) 0.005 66.280 (1,8) 0.266 1.103 (3,24) 0.367
P2 6.665 (3,24) 0.002 39.146 (1,8) < 0.001 4.761 (3,24) 0.010