Across all social science disciplines, but in particular public administration, there is a shared concern about the costs of using traditional random samples to generate data, and its impact on researchers' ability to engage in "quality" research. As a result of these costs, more academics, practitioners, and students are turning to…

This paper provides a guide to calculating statistical power for the complex multilevel designs that are used in most field studies in education research. For multilevel evaluation studies in the field of education, it is important to account for the impact of clustering on the standard errors of estimates of treatment effects. Using ideas from…

Districts now have access to a wealth of new information that can help target students with appropriate supports and bring focus and coherence to college readiness efforts. However, the abundance of data has brought its own challenges. Schools and school systems are often overwhelmed with the amount of data available. The capacity of districts to…

This Environmental Protection Agency manual was developed to provide pollution biologists with the most recent methods for measuring the effects of environmental contaminants on freshwater and marine organisms. The sections of this manual include: (1) Biometrics; (2) Plankton; (3) Periphyton; (4) Macrophyton; (5) Macroinvertebrates; (6) Fish; and…

Describes three methods of sample size determination, each having its use in investigation of social science problems: Attribute method; Continuous Variable method; Galtung's Cell Size method. Statistical generalization, benefits of cell size method (ease of use, trivariate analysis and trichotyomized variables), and choice of method are…

This bulletin for the researcher, the doctoral or master's candidate, or teacher interested in and/or conducting research is intended to (1) alert novice investigators to the major requirements and pitfalls of survey and experimental research, (2) point out the weaknesses of past business education studies, and (3) provide consumers of research…

The National Food and Agriculture Council of the Philippines regularly requires rapid feedback data for analysis, which will assist in monitoring programs to improve and increase the production of selected crops by small scale farmers. Since many other development programs in various subject matter areas also require similar statistical…

This self-instructional manual for psychological assessment focuses on the following topics: (1) general statistics, (2) central tendency, (3) random, continuous, and discrete variables, (4) variability, (5) measuring variability, (6) sampling, (7) derived scores, (8) covariation, (9) reliability and validity, and (10) standard error of…

This evaluation handbook was written for school district personnel who may be either novices or experts in the use of educational research techniques. Tailored to categorically aided projects, the handbook describes techniques that will isolate specific activity effects as reflected by pupil achievement. Chapters are devoted to the construction of…

The User's Guide to the Regional Study of Higher Education in Agriculture and Home Economics in the South explains the purpose and organization of the study, one of three phases of a larger investigation being conducted by collaborating researchers in several Agricultural Experiment Stations. The guide provides a detailed description of the…

This guide presents detailed information concerning the purposes and process of program evaluation, the role of the evaluator, and the development of an evaluation plan or design. Instruction is provided in selecting or developing assessment instruments, collecting and analyzing data, reporting evaluation results and applying the findings. The…

Ten modules which present specific instructions for conducting a task survey are provided in this manual for vocational educators, supervisors, and directors. Each module contains a short descriptive paragraph of the contents of each module, a performance objective, readings, exercise activities, and feedback for those activities. The modules are…