This case study focuses on a longitudinal study of changes in public acceptance of evolution in the United States. Change over time is often a central issue in social science research questions. There are two kinds of change over time. Time-series studies address change in populations or groups over time. Longitudinal studies address changes in…

This case study presents an example of using a generalized linear model with a log-linear link to calculate an adjusted risk ratio to be able to assess the association between educational attainment and obesity in a cohort study of American adults. Both risk ratios and odds ratios can be calculated based on cohort study data, and risk ratios are…

Three major methods of survey research, face-to-face interviews, telephone interviews, and mail questionnaires, are compared with respect to the quality of the data. The literature on experimental comparisons of these methods is reviewed, and the effects of the mode of data collection on aspects of data quality are examined. The effects of the…

Four national surveys using personal interviews with independent samples of 1500+ adults each were reported. The surveys were conducted between December 1974 and June 1975. The surveys assessed awareness of the television program Feeling Good," sources of awareness, incidence of viewing, and incidence of selected health care practices.…

Estimates of the numbers of developmentally disabled persons 21 years or older in New Jersey were derived to establish a potential target population for work activity programs. Chapter 2 presents estimates by county of the eligible State population of mentally retarded, cerebral palsied, and epileptic persons. (Figures represent 1970 Census…

Each of the three sections of this book highlights a basic concept in communication research that needs more attention, and includes individual articles that review or apply new methods for the study of social communication. The first part deals with organizational analysis and field studies, and reminds its readers that mass communication is not…

Data from the National Longitudinal Surveys of Labor Market Experience were analyzed to determine the unemployment experiences of four groups of workers from the labor force during a recent decade. The subjects were men who at the end of the decade were 26-34 and 55-69 and women who were 26-34 and 40-54 years of age. Information on unemployment…

Interviews comprise the majority of professionals' interactions with children. In order to conduct effective interviews, professionals must possess effective communication skills, as well as knowledge of growth and development issues, data collection, and analysis. Though this is an important area of study, there has yet to be a book that…

A collection of readings addresses issues in empirical investigation of language and literacy in a social context, and provide models useful to researchers undertaking small-scale studies. They include: "Introducing Ethnography" (Martyn Hammersley); "The Relations between Researcher and Researched: Ethics, Advocacy and…