This Digest, intended as an instructional aid for beginning research students and a refresher for researchers in the field, identifies key factors that play a critical role in determining the credibility that should be given to a specific research study. The needs for empirical research, randomization and control, and significance testing are…

Teaching through inquiry can take many forms with most descriptions of inquiry emphasizing investigations. Though inquiry-based teaching strategies typically engage students in investigations, it is not the physical activity that defines inquiry. Teaching through inquiry is distinguished by its emphasis on a questioning attitude, gathering data,…

This "Research Roundup" focuses on how schools can benefit when educational leaders use data to challenge their intuition and assumptions in their decision-making. In "Building an Automated Student Record System: A Step-by-Step Guide for Local and State Education Agencies," Barbara S. Clements provides administrators with a quick but comprehensive…

This report examines issues related to the cost effectiveness of whole school reform. The first section discusses the development of whole school reform models, criteria for model adoption, and challenges of whole school reform for evaluation. The second section, "Comparing Effectiveness," looks at models for evaluation (experimental,…

With accurate information, educators are better able to make effective decisions. Besides being used to assess student performance, a complete program of data collection and use can also show educators how management skills, individual learning styles, and other elements affect student achievement. This digest provides an overview of how…

With accurate information, educators are better able to make effective decisions. Besides being used to assess student performance, a complete program of data collection and use can also show educators how management skills, individual learning styles, and other elements affect student achievement. This digest in Spanish provides an overview of…

Microcomputers are now affordable tools for managing schools and school districts--and fast becoming essential. This digest, designed to help school administrators begin computerizing their offices, depicts tomorrow's computerized office, introduces computer applications in management, and outlines procedures for computerizing an office. A…

World War II was a turning point in global history, an event that had a large and lasting impact on many people and places across broad areas of the earth. Compared to other wars, World War II involved the largest armed forces, the longest battle lines, the most destructive weapons, the most casualties, the most destruction of cities and other…

Data from 32 state assessments in mathematics (conducted in 1984 and earlier) are analyzed in this document. The high degree of variability across the states is stressed, with some of the points of variation in the test development, administration, and analysis process noted. Information is then presented on topics on which students are doing well…

Abuses and misuses of statistics are frequent. This digest attempts to warn against these in three broad classes of pitfalls: sources of bias, errors of methodology, and misinterpretation of results. Sources of bias are conditions or circumstances that affect the external validity of statistical results. In order for a researcher to make…

Thoughtful, well-planned and systematic reviews of both instructional and noninstructional programs provide community colleges with a way of determining whether programs are meeting stated objectives and what standards of performance should be maintained. Programs that need improvement or should be eliminated can be identified, and fiscal…

The original impetus for this monograph was a grant from the New Jersey Basic Skills Council of the New Jersey Department of Higher Education to evaluate two college basic skills remedial programs (one in a four-year state college, one in a two-year community college) and to produce a handbook for conducting such evaluations. This monograph is…

Schools are realizing that carefully collected and analyzed data represent the key to educational improvement. This digest outlines the most useful types of data to drive the school-improvement process, steps that must be taken to collect and analyze data, the role of administrators in guiding the data-driven reform process, and results that can…

This brief paper defines participatory action research, reviews the literature on its use, and offers examples of how researchers and practitioners are applying principles of participatory action research data to select effective practices and support change and innovation in schools. Generation of data-based strategies in natural environments is…

Too few researchers understand what statistical significance testing does and does not do, and consequently their results are misinterpreted. This Digest explains the concept of statistical significance testing and discusses the meaning of probabilities, the concept of statistical significance, arguments against significance testing,…