The current study demonstrates the application of an analytic approach for incorporating multiple time trends in order to examine the impact of cohort effects on individual trajectories of eight drugs of abuse. Parallel analysis of two independent, longitudinal studies of high-risk youth that span ages 10 to 40 across 23 birth cohorts between 1968…

This study examined alcohol use development from ages 13-20 years. The sample comprised 256 youth (50.4% female; 51.2% White, 48.8% African American) assessed annually for 6 years. A cohort-sequential latent growth model was used to model categorical alcohol use (non-use vs. use). Covariates included gender, race, income, parent marital status,…

In the tracked educational system of the Netherlands, students at the end of secondary education have to decide whether they want to enter subsequent post-secondary or tertiary education. Depending on the previous qualification, they have the choice between up to four different options, including not entering further education. We propose, in line…

Analyzed the 1972-1980 General Social Surveys to develop models accounting for changes in patterns of marital structure over time. Results did not indicate that the young and least educated contribute disproportionately to increased family instability. Cohort membership and educational attainment must be considered. (JAC)

Examined cohort replacement explanation of secular changes in parental socialization values, based on surveys of metropolitan area in 1958, 1971, and 1983 which revealed a significant change in parental values with greater preference for autonomy for children and less preference for obedience. Cohorts born since 1930 tended more to prefer autonomy…

This paper examines the changing demographics of American society and the impact of these changes on higher education. Discussions include a historical background of early American demography, the building and expansion of the population base, and census changes through various generations of the baby boom years and beyond. Next, the report…

A description of the University of Southern California (USC) faculty model and some of the results obtained from using the model are presented. The model traces faculty cohorts from 1974 to 1984, under given policies of hiring, tenure, promotion, and retirement. The model takes into account resignations, deaths, anticipated enrollments, and costs.…

Data from the 1811 and 1851 census in England and Wales as well as other data from those countries in 1891 and 1921 were analyzed to investigate individuals' timing and extent of departure from the parental home. The authors found the following: (1) there was a gradual increase in the ages at which children left the parental home; (2) the pace of…

Data primarily from Australia's Youth in Transition Survey were analyzed to explain differences in the schooling decisions of individuals born in 1961 versus 1970. The main measured factors affecting individuals' schooling decisions were as follows: ability; school type; and family background. Participation in school was positively associated with…