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,…

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…

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…

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…

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,…

The 2002 reauthorization of the Elementary and Secondary Education Act mandates that schools receiving federal funding must desegregate their student performance data by race, gender, and socioeconomic status in order to provide progress information to the community and state. Data-driven decision making is particularly important in urban schools…

Assessment is broader in scope than testing. Typically, assessment includes gathering and integrating information about a client in a manner that promotes effective treatment. This digest discusses how counselors can use assessment as a continuous process throughout treatment. It also reviews three common forms of assessment techniques which can…

A well-planned and well-conducted evaluation can provide useful information to funding agencies, sponsoring institutions, instructors, and participants. Evaluating an instructional program, such as a workshop or institute, involves collecting, organizing, analyzing, and reporting data about several features of the program and its impact on the…

This Digest discusses computer assisted advisory practices currently in use in community colleges, outlining the types of data collected and how they are used, including the use of tracking to plan interventions for at-risk students. Enhanced computer technology has improved the effectiveness of academic advising by enabling more thorough and…

This digest reviews scientific and methodological problems in special education research related to race, ethnicity, and socioeconomic status. The first section of the digest discusses the various definitions of race, ethnicity, culture, and socioeconomic status. The problems with current race classification and the difficulties in determining the…