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Comparative Effectiveness Of Therapeutic Strategies On Drug Knowledge And Drug Attitude In Inpatient Psychiatric Substance Abuse Population, Amber Haque
Dissertations
This study examined the effects of instructional strategies on the change of knowledge and attitude scores in mentally ill subjects with a history of substance abuse. Twenty subjects from a state psychiatric hospital were randomly divided into one control and three experimental groups. The study period was ten weeks with each session lasting forty five minutes, twice per week. Subjects studied issues relating to drug abuse outside scheduled sessions as they pleased. Pre- and post-test scores were measured by a drug abuse questionnaire developed at the Pennsylvania State University. Hypotheses formed were: (a) drug education improves knowledge and attitude in …
The Acute Effects Of Cocaine In Pigeons Performing Under A Progressive-Ratio Schedule, Claudia Ann Jones
The Acute Effects Of Cocaine In Pigeons Performing Under A Progressive-Ratio Schedule, Claudia Ann Jones
Masters Theses
Although the progressive-ratio (PR) schedule has been used frequently to quantify the reinforcing effectiveness of self-administered drugs, it has seldom been used to examine the effects of drugs on food-maintained behavior and has never been used to evaluate the effects of cocaine on such behavior. In the present study, the effects of acute administrations of cocaine were evaluated in pigeons responding under a PR schedule of food delivery. Overall, cocaine produced a dose-dependent effect on food-maintained behavior. In general, acute administrations of cocaine at 0.56 to 3.2 mg/kg increased breaking points, whereas doses above 5.6 mg/kg decreased breaking points. Low …