A nation at risk : the imperative for educational reform : a report to the Nation and the Secretary of Education, United States Department of Education /

Item 455-B-2

A methodology for analyzing general categorical data with misclassification errors with an application in studying seat belt effectiveness. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

An imperative duty. A novel,

Mode of access: Internet.

Sources of information on federal programs providing categorical aid for local school districts and other educational agencies.

"July, 1971."

Summaries of categorical pretreatment standards /

"November, 1987."

Multiple classification analysis ; a report on a computer program for multiple regression using categorical predictors /

Bibliographical footnotes.