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2 edition of examination of the construct validity of the Transtheoretical Model in three longitudinal substance-abuse treatment studies. found in the catalog.

examination of the construct validity of the Transtheoretical Model in three longitudinal substance-abuse treatment studies.

Russell Clarence Callaghan

examination of the construct validity of the Transtheoretical Model in three longitudinal substance-abuse treatment studies.

by Russell Clarence Callaghan

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Published .
Written in English


About the Edition

An application of the Transtheoretical Model to 3 longitudinal studies of substance-abuse treatment, this dissertation aimed to evaluate its internal and external validity: the central claims that stage-related process-use is associated with stage-transition, that the stage-of-change construct can identify those most at-risk of treatment dropout, and that progressive movement through the stages-of-change can mark clinical improvement. Concerning the internal validity of the Model, Study 1 and Study 2 demonstrated that longitudinal process-use endorsement was not related to forward or backward stage-transition. In addition, the external validity of Transtheoretical Model did not receive clear support. Study 1 found that the stage-of-change substages did not predict dropout among adults engaged in substance-abuse treatment, but Study 3 demonstrated that those adolescents reporting higher Precontemplation scores were more likely to dropout of inpatient substance-abuse treatment. In addition, Study 2 found that forward stage-transition to the next higher stage was associated with improvement in drinking-related variables. In light of these results, this dissertation provides a strong empirical critique of the fundamental claims of the Transtheoretical Model.

The Physical Object
Pagination175 leaves.
Number of Pages175
ID Numbers
Open LibraryOL22609982M
ISBN 100612918297


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Examination of the construct validity of the Transtheoretical Model in three longitudinal substance-abuse treatment studies by Russell Clarence Callaghan Download PDF EPUB FB2