A generalization of the single trait, multioccasion measurement model is provided through a confirmatory measurement model for multitrait-multioccasion (MTMO) data. Several commonly used confirmatory measurement models are contrasted with the MTMO, and it is illustrated with a large four-wave dataset on family support and alcohol involvement. (SLD)

A beverage-server intervention project at two West Coast Navy bases that attempted to reduce levels of alcoholic intoxication via policy changes and server training is described. Data obtained via interviews and structured observations of 1,511 club customers indicate methodological bias and self-selection effects. Bias adjustments were performed…

Determines the level of drug and alcohol involvement of 369 middle and high school students and examines the effectiveness of early intervention. Results of the study underscore the frequency and seriousness of drug use, the need for more prevention efforts in elementary and middle schools, and additional treatment programs for high school…