The aim of the current study was to test two of Johnson’s (1995) assumptions regarding intimate partner violence (IPV); namely that there are sex differences in the type of physical aggression men and women use; and that controlling aggression is more problematic and requires more outside intervention than non-controlling aggression. These assumptions were tested using survey data from the 13th cycle of the General Social Survey in Canada, which was a telephone survey that asked crime victimization questions in a number of areas. There were no sex-differences in the use of controlling behavior or physical aggression. Controlling aggression did not have an effect on problem presentation when compared with relationships low in controlling b...