Table 4. Summary of the 2 (Group) × 2 (Ear) × 3 (Rate) ANOVA of Click SP/AP Amplitude and Area Ratio Findings between the Low-Risk and High-Risk Groups ( N  = 15 Per Group) .

	SP/AP amplitude ratio				SP/AP area ratio
Main effects	F	df	p	η p2	F	df	p	η p2
Rate	6.227	2.56	0.004 a	0.210	5.567	2.56	0.026 b	0.195
Ear	0.179	1.28	0.676	0.006	1.278	1.28	0.291	0.084
Group	6.186	1.28	0.001 a	0.291	4.968	1.28	0.003 a	0.213
Interaction effects
Rate × ear	1.028	2.56	0.433	0.045	1.949	2.56	0.356	0.046
Rate × group	1.674	2.56	0.532	0.014	1.747	2.56	0.292	0.042
Ear × group	2.289	1.28	0.378	0.076	1.696	1.28	0.238	0.049
Rate × ear × group	2.728	2.56	0.210	0.067	1.691	2.56	0.246	0.075

Abbreviations: df, degrees of freedom; F, F statistic; p , significance level; η _p ² , partial eta square.

^aSignificance at < 0.005.

^bSignificance at <0.05.