Autism research tends to exclude racially and ethnically minoritized autistic individuals, limiting the quality of the evidence base for characterizing and diagnosing language impairment in racially and ethnically minoritized autistic individuals. This systematic review examines reporting practices for participant socio-demographics in studies…

Descriptive analyses of socially important or theoretically interesting phenomena and trends are a vital component of research in the behavioral, social, economic, and health sciences. Such analyses yield reliable results when using representative individual participant data (IPD) from studies with complex survey designs, including educational…

The sampling designs and procedures used by the National Assessment of Educational Progress in its second year assessment activities are documented. The report is organized in three parts. Project objectives and other background information are discussed in the first section. The details of the second year school and household samples are…

"Other Nations, Other Peoples", a research project of the U. S. Office of Education, studied the degree of ethnocentrism present in elementary and secondary public school students. The research design was three-way, calling for stratified samples according to county, school and students. The purpose of the study was to determine how ethnocentrism…

Data from Project Talent are utilized to assess the representativeness of the samples used in the Wisconsin and the Exploration in Equality of Opportunity (EEO) surveys. Adequacy of the measures of academic aptitude and aspiration used in the surveys are examined, and problems with the Wisconsin model are briefly discussed. (RM)

This report is based on the second survey in the National Education Longitudinal Study of 1988 series (NELS:88). Data are from a questionnaire administered to 20,706 tenth graders and dropouts in 1990. The study design resulted in a sample representative of tenth graders across the country. The wealth of NELS:88 data makes it difficult to organize…

The New York State Experimental Prekindergarten Program (PreK) evaluation studied successive waves of children while they were in PreK, and as they progressed through the third grade. For each wave, two control groups were obtained: (1) A waiting-list control group, children in districts offering PreK programs who were identified as eligible for…