Describes the statistical test of chi-square analysis. Explains how this test can be used in biology instruction. Examples from blood typing are used. (PR)

Presents one approach to handling the trade-off between reducing uncertainty in environmental assessment and management and additional expenses. Uses the approach in the evaluation of three alternatives for a real time river water quality forecasting system. Analysis of risk attitudes, costs and uncertainty indicated the levels of socioeconomic…

Describes a collaborative writing project in which students must identify key variables, search and read relevant literature, and reason through a research idea by working closely with a partner. The end result is a polished laboratory report in the APA style. The class includes a peer review workshop prior to final editing. (MJP)

Describes a new analytical tool, data envelope analysis (DEA) model, which can provide better understanding of the efficiency of academic research libraries. Reports the results of a study using 1994-1995 Association of Research Libraries statistics together with expert judgments, in terms of constraints, to make the model more applicable to the…

The Wisconsin Emerging Scholars Program (WESP) is a nonremedial, multicultural workshop approach to learning calculus that emphasizes community and collaboration. This approach is designed to foster substantial participation of underrepresented ethnic minority students and alleviate the problems of isolation and lack of support in a large,…

Engineering students were given a mental rotation test at the beginning and end of their first-year engineering course and again several years later to assess the relationship between spatial visualization skill and retention in engineering. No relationship was found between task scores and retention; however, a course in design and graphics…

Compares directors' use of Public Library Data Service statistics and Federal-State Cooperative System for Public Library Data statistics to show how directors make use of statistics and to highlight the statistical information that directors find particularly useful. The survey addressed: last time of use; ways of use; frequency of use of…

Proposes that an important role for connectionist research in language acquisition is analyzing what linguistic information is present in the child's input. Recent connectionist and statistical work analyzing the properties of real language corpora suggest a priori objections against the utility of distributional information are misguided. This…

Describes an exercise for college and high school students that relates descriptive statistics to the regional climatic classification. The exercise introduces students to simple calculations of central tendency and dispersion, the construction and interpretation of scatterplots, and the definition of climatic regions. Forces students to engage…

Presents guidelines for statistics for Web-based information resources developed by the International Coalition of Library Consortia (ICOLC). Outlines use elements that must be provided: number of queries, menu selections, sessions, turn-aways, and items examined. Discusses privacy; user, institutional, and consortial confidentiality;…

Although both low socioeconomic status and cigarette smoking increase health problems and mortality, their possible combined or interactive influence is less clear. On one hand, the health of low status groups may be harmed least by unhealthy behavior such as smoking because, given the substantial health risks produced by limited resources, they…

Introduction: Having a mentor during residency is often linked to greater success in professional development. The present study compares changes in the percentage of residents with mentors in 1999 and in 2004, while considering current residents' perceptions of their mentors, with particular attention focused on what role race and gender might…

The study describes the factors that render possible and restrain students' learning when they try to develop new knowledge through collaboration in a net-based learning environment. The pedagogical platform takes as its starting point a framework of socio-cultural theories of learning and is based on dialogues and collaborative situations in…

Orton-Gillingham (OG) and Orton-Gillingham-based reading instructional programs are commonly implemented reading programs in the United States. Twelve studies that employed quasi-experimental or experimental designs are reviewed. These studies included elementary students, adolescents, and college students. Of the 12 studies, 5 reported that the…

Assessing use of language learning strategies has become commonplace around the world. One strategy assessment tool is the questionnaire, which usually asks students to report on their typical, general use of language learning strategies. Because of this general focus, most questionnaires do not require respondents to complete an actual language…