“…The data collected from treatment providers are used to estimate the opportunity costs of all treatment resources, including personnel, facilities, supplies, and materials French, Roebuck, & McLellan, 2004;Roebuck et al, 2003). Salomé et al (2003) introduced the Client DATCAP, a standardized, self-administered instrument, to measure the costs incurred by individuals receiving treatment. The DATCAP family of instruments (Program, Brief, and Client) enables researchers and treatment providers to estimate the costs of treatment more accurately and to compare different programs www.DATCAP.com).…”