The Dartmouth Assertive Community Treatment Scale (DACTS) - A generalizability study

Generalizability theory was used to assess the reliability of the Dartmouth Assertive Community Treatment Scale (DACTS), which was developed to assess treatment reliability To assertive community treatment (ACT). Program staf f and local evaluators who were participating in a national demonstration p rogram to serve homeless mentally ill clients provided data. The total scal e score for the DACTS demonstrated acceptable internal consistency and inte rrater reliability. Although the stability of the total DACTS score was qui te low, many items on the DACTS were quite stable. The generalizability ana lyses provide additional detail on the effects of site, occasion, and site by occasion interactions on the reliability of the DACTS.