Graduate Thesis Or Dissertation
 

A study of the relationship of the use of various drugs to the visual-motor performance of college students

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  • The purpose of the study was to compare the visual-motor performance of college students who reported ingestion of certain drugs with those college students who reported no drug ingestion. The study drugs included the following drugs or groups of drugs: tobacco, alcohol, marijuana, LSD, mescaline, barbiturates, and amphetamines. A total of 201 students from Chico State College and Pacific Union College volunteered as subjects to participate in the study, with 151 subjects in the Experimental Group (drug users) and 50 in the Control Group (non-drug users). A confidential questionnaire was given concerning the subject's drug use involving frequency and length of time. The Bender-Gestalt Test was administered to determine visual-motor performance. The Bender-Gestalt Tests were evaluated and rated on a scale of performance by three highly qualified psychologists. One tailed t-tests were employed to test six hypotheses that significant differences would occur in favor of the Control Group (non-drug users) over the Experimental Group (drug users) on the Render-Gestalt Test in all drug or combination of drug usage. The .05 level of significance was chosen as the critical region of rejection. The findings indicated that there was a significant difference in the visual-motor performance in favor of the Control Group (non-drug users) over the entire Experimental Groups (drug users) and also in the "Tobacco, Alcohol, Marijuana, Barbiturate, and Amphetamine Group". It was determined that there was no significant difference in visual-motor performance between the non-drug users and other single or multiple drug groups in the study. However, in all cases the mean difference between the groups was consistently in the direction of the non-drug users. Therefore, the non-drug users consistently performed better on the visual-motor performance test than the drug users in all , categories. It is recommended that further investigation into the visual-motor performance of drug users be continued for reasons of personal health, public health and safety.
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