Discusses classroom demonstrations of classical conditioning and notes tendencies to misrepresent Pavlov's procedures. Describes the design and construction of the conditioner that is used for demonstrating classical conditioning. Relates how students experience conditioning, generalization, extinction, discrimination, and spontaneous recovery.…

The construction and uses of a device to facilitate the use of an overhead projector to show chemical reactions is presented. Materials and instructions for construction as well as reactor vessels are discussed. (CW)

This study compared use of trainer demonstrations and use of visual cues across varying difficulties of task, by 20 mentally retarded secondary-aged students. Results found that photographs and line drawings were more effective with mildly/moderately retarded students than demonstrations when working with complex tasks. No differences were found…

This final article in a series on creating models for teaching about computer memory and disk storage and retrieval focuses on AppleWorks software and the Professional Disk Operating System (ProDOS). Instructions for creating a paper model of the AppleWorks menu system and the ProDOS disk file are given. (LRW)

Four activities for the French classroom are described, including vocabulary development games using pictures of animals and a puzzle of the Eiffel Tower, simulation of the conflict over the Eiffel Tower's construction, and a reading comprehension exercise using Spanish, French, nonsense Spanish and French, and cloze versions of a text. (MSE)

Contends that, although most economics students are acquainted with the graphical analysis of the income and substitution effects of a price change, they often fail to appreciate that the same graphs provide information on the income elasticities of the two goods. Illustrates the proof of this concept using mathematical formulae and five graphic…

Asserts that, despite changes resulting from new theories on international trade, simple graphs in the Heckscher-Ohlin-Samuelson tradition remain a significant part of most courses in international economics. Provides four figures illustrating these economic concepts. (CFR)

Explores ways in which school library media specialists can use advance organizers such as concept maps, picture files, and books without words to teach library skills to students with limited English proficiency. The author also shows how these resources can help teachers teach in the various content areas. (GR)

Discusses the role of visual aids in second language teaching, focusing on their ability to represent sounds or structures; portray cultural features; provide situational awareness; and elicit verbal output, both controlled and free. (39 references) (MDM)

Examines the effects of different types of computer-assisted phonemic segmentation training on phonemic segmentation, reading, and spelling of children with learning disabilities. Finds that phonemic segmentation training using visual support has no advantage over auditory training alone. Suggests that preschoolers and children with reading and…

Describes the design of a learning environment, called the Climate Visualizer, intended to facilitate scientific sense-making in high school classrooms by providing students the ability to craft, inspect, and annotate scientific visualizations. Discusses how visualizations can promote creation of scientific theories, especially in conjunction with…

Studies the effects of computer-generated lecture material by using two groups of students and their examination scores. The first group was presented with still computer graphics for four weeks, then returned to traditional materials for a second four weeks. The second group used traditional materials first, followed by the computer graphics.…

Describes the use of glyphs, simple pictures or graphs whose parts represent information about a given subject, in a second-grade classroom. Includes many examples. (MKR)

Discusses biological applications of virtual reality technology that are under development, including making extraordinary scientific images available for the teaching of science. Explores the technology and the development of three-dimensional images. (LZ)

Seven junior high students with educable mental handicaps were trained to solve four-column subtraction problems involving regrouping. Results in performance favored calculators over pencil and paper, with rehearsal and visual cues influencing performance for only one student. With calculators, subjects' performances were equivalent to a…