showed a trendP = 0.074
Females in the ISR condition showed a trend for an increased frequency of attacks toward their cage mates ( T 15 = −1.921; P = 0.074) while the number of received attacks ( T 15 = 0.866; P = 0.400) and pinnings ( T 15 = −0.639; P = 0.533) did not differ compared to controls (Table 1 ).