Date of Award

2012

Document Type

Thesis

Degree Name

Master of Science in Psychology

Department

Psychology

First Advisor

Lewin, Michael R.

Second Advisor

Chavez, David

Third Advisor

Riggs, Matt

Abstract

This study will investigate the impact of client variables on in-treatment performance, in a contingency management intervention. Co-occurring disorders (COD) is a prolific problem with the severely mentally ill (SMI) population. People with both severe mental illness and substance abuse disorder suffer greater negative consequences of drug use than do populations with only one of these issues. This can be seen in greater levels of psychiatric symptoms, higher levels of interpersonal violence, and increased homelessness. Drug use has been found to exacerbate psychotic symptoms and relapses in schizophrenic patients, when compared to schizophrenic persons without drug use.

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