Developing a Measure of Therapist Adherence to Contingency Management: An Application of the Many-Facet Rasch Model.

J Child Adolesc Subst Abuse 2008 Jun;17(3):47-68

Family Services Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina.

A unique application of the Many-Facet Rasch Model (MFRM) is introduced as the preferred method for evaluating the psychometric properties of a measure of therapist adherence to Contingency Management (CM) treatment of adolescent substance use. The utility of psychometric methods based in Classical Test Theory was limited by complexities of the data, including: (a) ratings provided by multiple informants (i.e., youth, caregivers, and therapists), (b) data from separate research studies, (c) repeated measurements, (d) multiple versions of the questionnaire, and (e) missing data. Two dimensions of CM adherence were supported: adherence to Cognitive Behavioral components and adherence to Monitoring components. The rating scale performed differently for items in these subscales, and of 11 items evaluated, eight were found to perform well. The MFRM is presented as a highly flexible approach that can be used to overcome the limitations of traditional methods in the development of adherence measures for evidence-based practices.

Download full-text PDF

Source
http://dx.doi.org/10.1080/15470650802071655DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2944267PMC
June 2008
1 Read

Publication Analysis

Top Keywords

therapist adherence
8
application many-facet
8
rasch model
8
measure therapist
8
contingency management
8
many-facet rasch
8
adherence contingency
8
adherence
6
data dimensions
4
missing data
4
questionnaire missing
4
multiple versions
4
versions questionnaire
4
supported adherence
4
behavioral components
4
components adherence
4
cognitive behavioral
4
adherence cognitive
4
adherence supported
4
measurements multiple
4

Similar Publications