The testing of contemporary sociological theory often calls for the application of structural-equation models to data which are inherently collinear. It is shown that simple ridge regression, which is commonly used for controlling the instability of ordinary least squares regression estimates in ill-conditioned data sets, is not a legitimate…

The purpose of the study described here was to identify indices of state efforts to promote equal opportunity in higher education that might have influenced state appropriations. In addition, an attempt was made to discover common economic and demographic characteristics of the 50 states that appear to influence state egalitarian efforts. The…

Steps in a class action suit charging prejudicial treatment of a minority group by a college or university are summarized, and attention is directed to how the plaintiffs can use the institution's own data to establish a prima facie case for disparate treatment. The key legal issues are indicated, and typical data and statistical exhibits that an…