An exercise to compute LLE data is presented to illustrate the problems that can arise when the isoactivity equilibrium condition is used in the LLE calculations. A much more efficient condition is obtained when isoactivity is combined with the common tangent line criterion, avoiding false solutions that correspond with very low values of the…

In many schools, supports for children with a dual diagnosis of mental retardation and behavioral disorders are inadequate or nonexistent. Often these students are placed with teachers who, although appropriately trained and licensed, are not familiar with support strategies for meeting the behavioral and emotional needs of these students at an…

This study examined the effects of a work system on the independent work and play skills of students with autism. Work systems, an element of structured teaching developed by Division TEACCH, are organized sets of visual information that inform a student about participation in work or play areas. A single subject withdrawal of treatment design,…

The aim of this research is to examine how children use visual variables to represent nominal and ordinal data on thematic maps. Greek students from first (six- to seven-year old), second (seven to eight-year-old), and third grades (eight- to nine-year-old), without any systematic cartographic experience, were invited to participate in the…

Individual or group presentations are common assignments in business communication courses, and many students use PowerPoint slides as audiovisual support. Frequently, curriculum constraints don't allow instructors much time to teach effective design and delivery of presentation graphics in their courses; guidelines in the form of minilectures or…

Not all demonstrations involve using exciting visual displays of one or a series of scientific principles. Demonstrations can be as simple as showing the interrelationship between scientific concepts or principles using concept maps. Concepts maps are tools that help people conceptualize and remember a conglomeration of facts making up complex…

A series of single-subject experiments were conducted to evaluate the effects of presentational, translational, illustrative, instructional, and summarizing supports on the reading and listening comprehension of students with moderate intellectual disabilities. The specific eText supports under investigation included digitized voice and…

This case study discusses a collaborative three year project involving two school clusters located in the North Island and South Island of New Zealand. The project was named "Project ACTIVate" and its main thrust was to study how the use of the interactive whiteboard (IWB) combined with teaching, learning and research across schools. The…

A wide range of tools is now available to enable teaching practitioners to create web-based educational materials from PowerPoint presentations, adding a variety of different digital media, such as audio and animation. The pilot study described in this paper compared three different systems for producing multimedia presentations from existing…

This paper, a summary of a document created for a Master of Arts degree in Interior Design at Northern Illinois University, Dekalb, Illinois, discusses research on "wayfinding" and the need for designers and planners to recognize its importance in order to provide more user-friendly environments. Orientation is the first step in…

This handbook is addressed to people who have access to the Internet and want to learn how to use it and to people who want to teach Internet skills to others. It includes the content of a 14-hour training institute and beginning and advanced level exercises, as well as discussion topics, sample overheads and other materials, and a checklist of…

This paper describes a process of making slides of original lecture materials, maps, texts and other instructional materials to illustrate class lectures and increase a spirit of community learning. Necessary equipment is described, and some products and services available to the public. (CHK)

This guide is designed to provide educators with basic information on both the proper utilization of the overhead projector and the preparation of good visual materials. Focusing on the mechanical aspects, the first section briefly outlines how to handle problems with the projector lamp, and provides information on general maintenance, proper…