TABLE 2C.

Post-hoc t-test results for rough-and-tumble play behavior in pairs of juvenile female HET and WT rats.

Pair Session	WT-WT			HET-HET
	WT	HET	t-test	WT	HET	t-test
1	15.2 + 2.3	17.6 + 1.7	t18 = 0.856, p = 0.404	21.9 + 1.6	9.3 + 1.1	t18 = 6.642, p < 0.001*
2	27.8 + 3.5	21.6 + 1.4	t18 = 1.653, p = 0.116	25.3 + 1.6	14.7 + 2.5	t18 = 3.556, p = 0.002*
3	32.4 + 4.0	20.0 + 2.2	t18 = 2.726, p = 0.014*	22.6 + 1.7	13.2 + 3.4	t18 = 2.472, p = 0.024*
Pair Session	WT-HET			HET-WT
	WT	HET	t-test	WT	HET	t-test
1	21.0 + 2.0	13.6 + 1.5	t18 = 2.971, p = 0.008*	16.7 + 2.3	17.1 + 2.7	t18 = 0.106, p = 0.916
2	26.3 + 1.4	21.5 + 2.7	t18 = 1.601, p = 0.127	22.6 + 2.6	23.8 + 2.5	t18 = 0.330, p = 0.746
3	21.3 + 1.6	22.0 + 3.4	t18 = 0.188, p = 0.853	24.8 + 3.1	21.2 + 1.4	t18 = 1.085, p = 0.292

Data are pooled for genotype of the cage mate and are shown as the mean seconds spent playing per minute + SEM.

*Indicates a significant difference of p < 0.050. Section “3.1.2.1. Effects of the First Play Partner on Rough-and-Tumble Play Across Sessions.”