a strong trendp = .08
Post hoc comparisons revealed that the Vehicle control group showed a higher change in conditioned social bedding preference than each of the CPF exposed groups ( p < .05), and the difference between the NT and the CPF groups showed a strong trend towards statistical significance ( p = .08 for 2.5 mg/kg and p = .053 for 5 mg/kg) (Fig. 3 ).