In California, an associate clinical social worker (ASW) is a registered social worker gaining experience to become a licensed clinical social worker. An LCSW has completed advanced education with a master or doctor of social work and 3,200 hours of supervised experience. LCSWs are fully licensed to practice, while ASWs are in the process of meeting the requirements for full licensure. Check with your state licensing board to learn more about the licensing designations and qualifications where you live.