Table 2. Results of statistical analyses used to analyze conditioned place preferences between male and female animals injected with 0, 1.5, 3, or 6 mg/kg of α-PVP.

The 4 × 2 mixed model ANOVA in female rats (left) showed no main effect of Test [F(1,34)=3.410, p= 0.074], no main effect of Dose [F(3,34)= 1.594, p=0.209], and no interaction of Test x Dose [F(3,34)= 2.265, p= 0.099]. The 4 × 2 mixed model ANOVA in male subjects (right) revealed no main effect of Test [F(1,37)=3.697, p = 0.062] and no main effect of Dose [F(3, 37)=0.625, p = 0.604], but there was a significant interaction of Test x Dose [F(3,37)= 3.409, p = 0.027].

Female Conditioned Place Preference				Male Conditioned Place Preference
Factor	DF	F Statistic	p	Factor	DF	F Statistic	p
Test	1, 34	3.410	0.074	Test	1, 37	3.697	0.062
Dose	3, 34	1.594	0.209	Dose	3, 37	0.625	0.604
Test x Dose	3, 34	2.265	0.099	Test x Dose	3, 37	3.409	0.027