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Associations Between Parent-Daughter Relationships, Individual Adolescent Psychological Functioning, And Female Adolescent Self-Defeating Behaviors, Sara M. Hunt
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This study tested a mediation model by which daughters ' perceptions of poorer parent-adolescent relationship quality were expected to be directly associated with the individual psychological characteristics of low self-esteem and internalizing symptoms. In turn, individual psychological characteristics were hypothesized to predict self-defeating behavior, defined as deliberate self-harm and suicidal gestures, multiple sexual partners, and substance use. Additionally, the association between parent-adolescent relationship variables and self-defeating behaviors was posited to be largely indirect and mediated by symptoms of psychological distress. As predicted, perceived alienation from parents was directly associated with poor adolescent psychological functioning. Furthermore, individual psychological variables were found …
The Effects Of Morphine On The Discrimination Of Subject-Produced And Experimenter-Imposed Durations, Ryan D. Ward
The Effects Of Morphine On The Discrimination Of Subject-Produced And Experimenter-Imposed Durations, Ryan D. Ward
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Experiments on the effects of drugs on behavior maintained by temporal-discrimination procedures have led to discrepant results. Recent experiments suggest that the effects of drugs may differ depending on whether the subject is timing some aspect of its own behavior or some other stimulus. The present experiment used a multiple-schedule procedure composed of a subject-produced and experimenter-imposed component. In the subject-produced component, pigeons categorized the duration of their most recently emitted interresponse time. In the experimenter-imposed component, pigeons categorized the duration of a key light. Morphine generally produced underestimation of time during the subject-produced component, a result in agreement with …