Presents trend analyses of data collected from three large scale surveys of eleventh grade students in Northeast Ohio using the same drug use and attitudes instrument between 1977 and 1983. Frequency of usage, reason for taking drugs, perceived harmfulness, age of first experimentation with drugs, and sex differences are analyzed. (Author/BL)

This paper presents a procedure called multiple matrix sampling which simplifies data collection for drug incidence surveys. Advantages for the use of multiple matrix sampling with drug surveys are discussed and a practical example is outlined presenting the guidelines for a sampling plan. (Author)

The purpose of this study was to identify the factorial composition of 55 characteristics of the subjects. These characteristics were assessed by a self-report inventory containing 55 items pertaining to drug use and alleged related areas of drug use. (Author)

This empirical study has examined by chi-square procedures the relationship between educational level of students and the degree to which they will endorse various sources of information concerning drug problems. (Author)

Analyzed trends of drug use as reported by four cohorts of 11th graders at three-year intervals between 1977 and 1986. Most salient trend was progressively higher percentages in perceived harmfulness of drugs. Higher percentages of health risk factors connected with various categories of drug use were not associated with significant trend of…

Examined data from drug survey of high school students (n=2,000) in context of baseline data provided by four previous surveys conducted at three-year intervals since 1977. Found gender differences in drug use, perceived harmfulness of drugs, and age of first experimentation. Found no gender differences in reasons students gave for turning to…