The current study addressed some of the methodological shortcomings of previous studies on internet addiction. The main purpose of the study was to determine if two different internet addiction assessments would identify the same individuals as addicted to the internet. A total of 224 undergraduate internet users were surveyed using a stratified…

This research note examines respondent-nonrespondent bias in a statewide population survey. The findings indicate general support for using master lists in the selection of respondents for participation in a large mail questionnaire survey. Two papers follow which react to this information. (Author/CT)

Paper reports on the patterns of heavy use of two drugs, marihuana and alcohol, in relation to a variety of demographic, social, and personal factors. (Author)

Monitoring the Future is a long-term program of research being conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse. Now in its 34th year, the study is comprised of several ongoing series of annual surveys of nationally…

Research was conducted to determine whether statistical sampling techniques' could be applied effectively in followup studies of high school graduates and, if so, what sampling model is most appropriate. Records at four high schools in the Santa Barbara area were examined to develop statistical, demographic profiles of two populations, the 1970…

Attitudes and preferences toward mail surveys were studied from the viewpoint of the recipient. Approximately 386 residents of a small rural community in Florida were sent a questionnaire about attitudes toward mail surveys, with half receiving a follow-up card after 4 days. A total of 123 usable questionnaires were returned. Respondents were…

Monitoring the Future is a long-term program of research being conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse. Now in its 33rd year, the study is comprised of several ongoing series of annual surveys of nationally…

This study describes the individual, family, school, and community characteristics of Hispanic ninth-grade students enrolled in predominantly minority high schools in five major U.S. cities: Chicago, Miami, Milwaukee, Newark, and San Antonio. The data, which are reported for four groups--Mexican Americans, Puerto Ricans, Cubans, and Central…