Generally speaking, students have difficulty reporting out measurements and estimates of quantities used in the laboratory, and with handling the significant figures associated with them. When required to make calculation involving quantities with different numbers of significant figures, they have difficulty in assigning the corresponding digits…

This chapter will provide potential models for analyzing learning data through a discussion of screening data and then analyzing that data using appropriate statistical techniques.

The article offers the educational information quantization method for improving content quality in Learning Management Systems. The paper considers questions concerning analysis of quality of quantized presentation of educational information, based on quantitative text parameters: average frequencies of parts of speech, used in the text; formal…

An in-class activity is described that can be used not only to motivate hypothesis testing, but also to understand and compute the p-value and power in a statistical test. (Contains 3 figures.)

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…

Many of the methodological criticisms of the National Early Literacy Panel (NELP) report presented in this special issue of "Educational Researcher" are not specific to the NELP report but are in fact broad criticisms of much of the quantitative research on early literacy. This rejoinder demonstrates that these criticisms are off target and are…

Resampling methods including randomization test, cross-validation, the jackknife and the bootstrap are widely employed in the research areas of natural science, engineering and medicine, but they lack appreciation in educational research. The purpose of the present review is to revisit and highlight the key principles and developments of…

This "Research Commentary" addresses the quality of statistical research in mathematics education. To do so, 10 years of Journal for Research in Mathematics Education (JRME) articles were analyzed on the basis of criteria suggested by the American Educational Research Association, American Psychological Association, and National Council for…

Focuses on Binomial Effect Size Display (a concept helpful in interpreting size of an experimental effect). Suggests that both statistical significance and explained variance be reported in experimental research and that values for the latter concepts can be viewed with a more accurate perspective by using BESD. (Author/JN)

This booklet outlines a framework for defining and measuring equity in state school finance and tax structures. The framework focuses on two groups: children, who receive educational services, and taxpayers, who pay for those services. Discussed are the different measures of equity for children and taxpayers, the values inherent in those measures,…

Statistics education is under review at all educational levels. Statistical concepts, as well as the use of statistical methods and techniques, can be taught in at least two contrasting ways. Specifically, (1) teaching can be theoretically and mathematically oriented, or (2) it can be less mathematically oriented being focused, instead, on…

This manual is a first effort to begin to identify, describe, and develop procedures for assessing various aspects of digital reference service. Its overall purpose is to improve the quality of digital reference services and assist librarians to design and implement better digital reference services. More specifically, its aim is to: assist…

A study was conducted to determine a nationwide availability conclusion percentage of minorities (Blacks, Spanish-origin persons, Asian Americans, and American Indians) and women particularly in job groups of two job categories: Officials and Managers, and Professional. The resulting availability conclusions would then be used to determine…

This bulletin presents information relating to the national conference on the Office of Education statistical program which took place October 1-3, 1945. The material herein consists of the agenda of the conference, reports of the three study committees on (1) purpose and scope of the statistical program, (2) collection of data, and (3)…