Respondents enter answers directly into a laptop computer - computer assisted self-interviewing (CAS1) - to ensure confidentiality’ and to encourage higher reporting. It provides government agencies, researchers and others working in the area with a heightened understanding of the prevalence of violence towards women; whether or not violence is increasing or decreasing; and which population groups are most vulnerable. In 2001, Sweden commissioned the Crime Victim Compensation and Support Authority' to cany out its first investigation on men’s violence against women.