A jack knife is a pocket knife that is put to many tasks, because it's ready to hand. Often there could be a better tool for the job, such as a screwdriver, a scraper, or a can-opener, but these are not usually pocket items. In statistical terms, the expression implies making do with what's available. Another simile, of an extreme situation, is…

Good quality data is paramount for applied economic research. If the data are distorted, corresponding conclusions may be incorrect. We demonstrate how Benford's law, the distribution that first digits of numbers in certain data sets should follow, can be used to test for data abnormalities. We conduct an analysis of nine commonly used data sets…

The data presented in this report call attention to inappropriate use of the Eigenroot criterion in factor work, a practice which has probably grown out of a theoretical focus on determining basic laws of behavior, rather than a practical emphasis on providing information that will be useful to college instructors and administrators. When…

This chartbook is designed as a graphic reference on national statistical information about disabilities. Each page contains a content question, explanatory text, and an explanatory chart or table as well as information on sources used. Key terms are shown in boldface and defined in a glossary. Section 1 provides demographic data on Americans with…

This study examines the relationship between high-stakes school accountability and its effects upon student test scores and school policies. The authors seek to understand the extent to which accountability sanctions and incentives for the poorest-performing schools in Florida explain subsequent changes in school practices and policies as well as…

The study was made to obtain curriculum development data for food service education programs below the baccalaureate level. Tasks related to the job functions of service, production, sanitation/safety, menu planning, procurement, supervision, and management were studied for five job categories of full-time personnel: middle-level service,…

As a statistical tabulation based on raw data collected by the Office of Civil Rights of the Department of Health, Education and Welfare, this report presents tables of data which illustrate trends in black school segregation from 1970-1974. The statistics provide a detailed profile of the pattern of black enrollment in schools with various…

The data collected for this report can be divided into three segments: a 14-year collection, 1950-51 through 1963-64, on which analyses were performed and the original predictions generated; a six-year follow-up stage, beginning in 1964-65; a twenty-year collection, 1950-51 through 1969-70, from which new predictions were generated; and a…

Global economic transformations have never been as dramatic as in the twentieth century. Most countries have experienced radical changes in the standards of income per capita, technology, fertility, mortality, income inequality and the extent of democracy in the course of the past century. It is the goal of many disciplines--economics, history,…

In part stimulated by the information needed by the Private Industry Councils (PICs) under the Comprehensive Employment and Training Amendments (1978), a growing number of groups and agencies have conducted surveys of local employers to gather various types of occupational data. Such activities may be useful and productive, if the data collection…

COMPUTER PROGRAMS AND OPERATING INSTRUCTIONS WERE REPORTED FOR USE IN PROCESSING DATA ON TEACHER ROLES. INCLUDED IN THE OVERALL DATA-PROCESSING METHOD WERE--(1) A PROGRAM FOR TABULATING CONTINGENCY TABLES FROM DATA ON PUNCHED CARDS, (2) A PROGRAM FOR SELECTING AND COMBINING ROWS AND CALCULATING MANN-WHITNEY MEASURES OF SIGNIFICANT DIFFERENCES…

The study of task identification in clothing, apparel, and textile services presents statistical correlations of task frequencies obtained by questionnaire in six task clusters for the occupations of fabric specialist, tailor, alternation specialist, dry cleaner, launderer, and clothing apparel and textile service occupations. One-way matrices…

The National Center for Education Statistics was established to develop and provide comprehensive statistics about education in the United States. Conducting and publishing specialized analyses, reviewing and reporting of educational activities in foreign countries, and providing assistance to State and local education agencies in improving their…

The study of task identification in institutional and household maintenance presents statistical correlations of task frequencies obtained by questionnaire in 10 task clusters for the occupations of executive housekeeper, supervising housekeeper, housekeeping director, custodian, homemaker/home health aide, hotel/motel housekeeping aide, nursing…