Presents a buyer's guide to liquid crystal display (LCD) projectors, compares LCD projectors to LCD panels, and reports on some advantages of using LCD projectors for color presentations. Advantages include bulb longevity, support of multimedia, and remote control capability. A sidebar includes LCD projector company contact information, product…

Questions related to the expansion of online bibliographic searching at the University of Wisconsin-Stout are examined. A brief review of the literature on why libraries search online is followed by a discussion of the specific situation at Stout where the ERIC data base is the only online service currently used. The variety of online data bases…

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 report is the first in a series of energy use studies intended to provide real life examples of the implication of energy conservation practices. Research reports from five public school districts describing their methods of measuring and conserving energy are summarized. While investigating the responses of various school districts to the…

The unit contains a teacher's guide, student reading materials, and data sheets about a variety of worldwide demographic and economic variables. Designed for students in junior high through college, its goals are to encourage students to analyze the causes and consequences of world population and economic trends, and to detect interrelationships…