Multiple-group confirmatory factor analysis (MG-CFA) is among the most productive extensions of structural equation modeling. Many researchers conducting cross-cultural or longitudinal studies are interested in testing for measurement and structural invariance. The aim of the present paper is to provide a tutorial in MG-CFA using the freely…

One goal of Extension is to provide practical information that makes a difference to producers. Cow Herd Appraisal Performance Software (CHAPS) has provided beef producers with production benchmarks for 30 years, creating a large historical data set. Many such large data sets contain useful information but are underutilized. Our goal was to create…

In the 21st century, the age of information and technology, there is an increasing importance to statistical literacy for everyday life. In addition, education innovation and globalisation in the past decade in Europe has resulted in a new perceived complexity of reality that affected the curriculum and statistics education, with a shift from…

For many years, students have been taught to visualise data by drawing graphs. Recently, there has been a growing trend to teach statistics, particularly statistical concepts, using interactive and dynamic visualisation tools. Free down-loadable teaching and simulation software designed specifically for schools, and more general data visualisation…

We discuss the learning goals, content, and delivery of a University of Plymouth intensive module delivered over four weeks entitled MATH1608PP Understanding Big Data from Social Networks, aimed at introducing students to a broad range of techniques used in modern Data Science. This module made use of R, accessed through RStudio, and some popular…

An investigation into high level event monitoring within the scope of a well-known multimedia application, HyperCard--a program on the Macintosh computer, is carried out. A monitoring system is defined as a system which automatically monitors usage of some activity and gathers statistics based on what is has observed. Monitor systems can give the…

Focuses on four issues related to providing government numeric databases in libraries: hardware, access software, staff skills, and organizing services. Basic, intermediate, and advanced levels of service and a guide for selecting an appropriate level are presented. Examples of screens from actual searches are included. (Contains eight…

Describes collection-development strategies for use in the identification, evaluation, and selection of numeric-data resources. Addresses three primary issues: the delineation of collecting scope and organizational role; the identification of potentially relevant data resources; and the evaluation of those resources in accordance with objective,…

Describes the Marquette University Interlibrary Loan Log, which is an online log of borrowing and lending requests. Applications of the interlibrary loan data for statistical reporting, management decision making, collection development, online enhancement, and copyright monitoring are discussed. (3 references) (CLB)

This narrative report summarizes topics addressed at a 2-day seminar sponsored by the South Carolina State Library in cooperation with the State Office of Adult Education and the South Carolina Literacy Association, which was designed to promote coordination and cooperative long-range planning of volunteer library literacy programs in the state…

Selected program evaluations through the GENeric Evaluation SYStem (GENESYS) of the Austin (Texas) Independent School District are reviewed. GENESYS, implemented in 1988-89, consists basically of a database methodology assessing the school system's longitudinal databases and a set of computer programs using the Statistical Analysis System (SAS) to…

This report describes a project intended to overcome certain obstacles to the dissemination to other postsecondary institutions of a new technique for teaching U.S. History developed at Carnegie Mellon University. This technique utilizes a software system, The Great American History Machine (GAHM), which enables undergraduates to explore a huge…