Abstract
In this article, the authors describe the refinement and preliminary evaluation of the Dimensions of Change in Therapeutic Community Treatment Instrument (DCI), a measure of treatment process. In Study 1, a 99-item DCI, administered to a cross-sectional sample of substance abuse clients (N = 990), was shortened to 54 items on the basis of results from confirmatory factor analyses and item response theory invariance tests. In Study 2, confirmatory factor analyses of the 54-item DCI, completed by a longitudinal cohort of 993 clients, established and validated an 8-factor solution across 2 subpopulations (adults and adolescents) and 2 time points (treatment entry and 30-days postentry). The results of the 2 studies are encouraging and support use of the 54-item DCI as a tool to measure treatment process.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 118-122 |
| Number of pages | 5 |
| Journal | Psychological Assessment |
| Volume | 18 |
| Issue number | 1 |
| DOIs | |
| State | Published - Mar 2006 |
| Externally published | Yes |
Keywords
- Instrument development
- Therapeutic community
- Treatment process
- substance use
ASJC Scopus subject areas
- Clinical Psychology
- Psychiatry and Mental health
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