Table 2.

Significance of Variable Effects on Amplitude Differences Between Left and Right Hemispheres in Response to Speech Sounds.

	Degrees of freedom	F coefficient	P valuea
Gestational age	8	1.91	NS
Postnatal age	8	2.45	.01
Time	16	3.37	<.001
Fontal vs temporal location	8	3.47	<.001
Gestational age × location	2	4.11	.02
Gestational age × postnatal age	2	0.33	NS
Postnatal age × location	2	4.49	<.01
Postnatal age × time	4	1.92	NS
Location × time	4	3.68	<.01
Gestational age × postnatal age location	1	0.48	NS
Total for model	23	6.48	<.0001

Abbreviation: NS, not significant.

^aAll P uncorrected