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Motivation in substance abuse treatment: Assessing the relationship between the transtheoretical model of change, self-determination theory, and their impact upon treatment outcomes

Kennedy, Kerry S.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1117211279

Abstract Details

2005, Doctor of Philosophy, Ohio State University, Social Work.
As the field of chemical dependency treatment has changed and evolved over the past decade, so has the perception of the importance of the motivation of persons entering into treatment. Two theories focus on motivation in substance abuse: Self-determination theory and the Transtheoretical Model of Change. Self-determination theory provides a theoretical basis for the source of motivation, and outlines a continuum of motivation from amotivation to external motivation to internal motivation. The Transtheoretical Model of Change describes stages, processes, and levels of change. The purpose of this research was to explore the relationship between Self-determination theory and the Transtheoretical model of change. Specifically, Self-determination theory was operationalized as internal or external source of motivation, and the Transtheoretical model was operationalized as the stages of change: precontemplation, contemplation, and action. The second purpose of this research was to examine the relationship between source of motivation and chemical dependency treatment outcome, measured both as use after intake and treatment completion. Data used for this study were from the Drug Abuse Treatment Outcome Study (DATOS). A multinomial logistic regression analysis indicated that there was a significant relationship between source of motivation and the stage of change at intake (n = 8719). People entering treatment with high levels of internal motivation were more likely to be in the action stage than people with high levels of external motivation. A logistic regression analysis from the 12-month follow-up (n = 731) indicated no significant relationship between source of motivation and treatment completion or use after admission to substance abuse treatment. No difference existed between people with high levels of internal or high levels of external motivation and people with low levels of internal or low levels of external motivation. This study supports a definition of motivation that is dynamic and changing.
Thomas Gregoire (Advisor)
134 p.
Social Work
substance abuse; treatment outcomes; Transtheoretical model of change; self-determination theory

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Citations

  • Kennedy, K. S. (2005). Motivation in substance abuse treatment: Assessing the relationship between the transtheoretical model of change, self-determination theory, and their impact upon treatment outcomes [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1117211279

    APA Style (7th edition)

  • Kennedy, Kerry. Motivation in substance abuse treatment: Assessing the relationship between the transtheoretical model of change, self-determination theory, and their impact upon treatment outcomes. 2005. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1117211279.

    MLA Style (8th edition)

  • Kennedy, Kerry. "Motivation in substance abuse treatment: Assessing the relationship between the transtheoretical model of change, self-determination theory, and their impact upon treatment outcomes." Doctoral dissertation, Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1117211279

    Chicago Manual of Style (17th edition)

osu1117211279
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© 2005, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.