MINK, J. W. AND D. B. ADAMS. Why offense is reduced when rats are tested in a strange cage. PHYSIOL. BEHAV. 26(4) 567-573, 1981 .--Tests of isolation-induced fighting and competitive fighting of rats in various conditions were used to evaluate the hypothesis that there is more offense in a familiar than in a strange cage because of the operation of an "olfactory comparator." The hypothesis was ...