Dr Kamran Studies Domestic Violence And Has Designed A Self Report Scale That Is

Dr. kamran studies domestic violence and has designed a self-report scale that is meant to assess men’s negative attitudes toward women. to validate her scale, she administers it to two groups of recently incarcerated male prisoners: prisoners convicted of domestic violence and prisoners convicted of other crimes. dr. kamran finds a statistically significant difference in the mean scores of the two groups. what technique is dr. kamran using to validate her scale?