A random sample of university students was interviewed concerning illicit psychotropic drug use and administered the Personality Research Form. Univariate and multivariate analyses strongly supported the hypothesis that nonusers, moderate users, and heavy users of illicit drugs differ in personality characteristics. (Author)

The purpose of the present study, is to determine to what extent Change Seeker Index scores correlate with the reported incidence of specific behaviors judged by the authors to rank high in stimulation-seeking characteristics. (Author)

This report examines the extent and nature of marihuana use in the U.S. It presents information on the social and psychological influences as well as the toxicological and pharmacological effects. It also analyzes effects on behavior and discusses theraputic aspects of the drug. (Author/HMV)

A description of the socio-demographic characteristics associated with student drug use is discussed. Findings indicate that while drug usage began to increase in the seventh grade, substantial increases occurred after this grade level. For all substances, drug use peaked in the ninth or tenth grade with dramatic decreases in the twelfth grade.…

The association between usage of alcohol, cigarettes, marijuana and other behaviors was investigated among ninth graders in 40 schools in Ontario. A sample of 1008 boys and 1040 girls gave information on a range of behaviors and activities. Results indicated that drug usage was strongly associated with delinquent, sexual and social behavior. Both…

Some of the unique characteristics of the drug abuse field which distinguish it from the other varieties of substance abuse and research methodologies for studying determinants of drug self-administration behavior which have been developed in response to these characteristics were investigated. Data suggest that residential drug…

Data revealed a similar pattern of personality, environment, and behavior differences between all nonuser and user groups, suggesting a pervasive social-psychological constancy. The same variables were also predictive of the shift from nonuse to use over time among the high school students but not the college students. (JB)

Peer pressure was shown to have a powerful influence on the verbally expressed drug attitudes of the undergraduate male sample. Subjects exposed to a group which consistently espoused either conservative (anti-drug) or liberal (pro-drug) attitudes toward the personal use of drugs were highly likely to conform to the groups attitudinal norms.…

This report is based on the results of the National Drug/Alcohol Collaborative Project which examined the prevalence of multiple substance use, particularly the combined use of drug and alcohol. The introductory chapter describes the background and purpose of the project. Chapter Two reviews the literature about multiple substance abuse and…