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…

The ability to collect, organize graphically, understand, interpret, and use data to make decisions is becoming more central to the role of early childhood practitioners. One consideration in practitioner use of data is the acceptability of the method of data display. The purpose of this study was to explore Head Start teachers' preference for and…

Criticizes data analysis and interpretation in "The Bell Curve:" Herrnstein and Murray do not actually study the "cognitive elite"; do not control for education when examining effects of cognitive ability on occupational outcomes, ignore, cultural diversity within broad ethnic groups (Asian Americans, Latinos), ignore gender…