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.