Discusses several philosophies of linguistics and semiotics that debate the importance of words and their relationship to signs, language as the primary modeling system, and the historical primacy of verbal versus visual communication. Describes human communication as both language-based and nonverbal, both aspects inviting arbitrary and abstract…

This case study describes Jason, a child with an autism spectrum disorder and hyperlexia. Hyperlexia is a condition characterized by precocious single-word recognition skills and weaker comprehension skills. Jason demonstrated advanced writing skills and a strong general preference for learning materials presented visually rather than orally. His…

Theorem acquisition and deductive proof have always been core elements in the study and teaching of Euclidean geometry. The introduction of dynamic geometry environments, DGE (e.g., Cabri-Geometre, Geometer's Sketchpad), into classrooms in the past decade has posed a challenge to this praxis. Students can experiment through different dragging…

Today's "out-of-school learning" is dominated by PC games, videos, and TV. These media provide children with optimal conditions for nurturing their visuospatial intelligence. In "chemistry" and biochemistry, over the past 125 years, thinking has shifted from the "logical-mathematical" to the "logical-visuospatial." In chemistry visuospatial…

Student success in solving physics problems is related to the representational format of the problem. We study student representational competence in two large-lecture algebra-based introductory university physics courses with approximately 600 participants total. We examined student performance on homework problems given in four different…

A major influence this generation of high school digital natives has had on the curriculum is their natural focus on visuals to convey information. They are driving the move toward visual information. In this article, one high school expands the learning environment from handhelds to videoconferencing. Sacred Heart has found that mixing the…

Despite the central role of risk assessment in analyzing and making decisions about many environmental issues, most people are poorly equipped to understand key concepts about risk or apply them successfully. I present three class activities in which students develop a better appreciation for the magnitude of a one in a million increased risk of…

An ethnographic study documented and analyzed the idiosyncratic symbols kindergarten children employ to encode their experiences in the domains of mathematics, music, and visual art, in order to identify any patterns in use and meaning. In the area of mathematics, children were given common objects and asked to sort them. Four categories of…

Since 1989, Channel One has broadcast a 10-minute newscast with two minutes of commercials. In exchange for receiving the Channel One broadcast, schools promise that 90% of the students will watch Channel One for 92% of the time; that each program must be watched in its entirety; that a show cannot be interrupted; and that teachers cannot turn the…

This paper examines the dual coding hypothesis, a model of the coding of visual and textual information, from the perspective of a mass media professional, such as a teacher, interested in accurately presenting both visual and textual material to a mass audience (i.e., students). It offers an extension to the theory, based upon the various skill…

Two instructional variables, visual illustrations and visual mental imagery, were compared for their influences on learning and cognitive strategies. It was hypothesized, based on dual-code theory, that attempts to combine the two would facilitate learning. In a completely randomized factorial design, treatments consisted of 4 versions of a…

Screen design, as an inherent part of the interface within computer-based instructional programs, is a critical component to the communication potential of the medium. This paper establishes aesthetics as an essential and necessary component of screen design and of instructional design. Current screen design guidelines tend to overlook the…

This paper examines children's responses to black and white illustrations in particular silhouettes. The study had two components; the first examined fifth graders' reactions to picture books using silhouette illustrations. The second part of the research analyzed students' responses when a dramatic context was used to view and respond to selected…

Research on adult memory for nonverbal representations has found a significant age-related decrement in performance. To investigate age differences in adult locational versus featural information in visual memory, 90 adult women (29 young women with a mean age of 21; 30 middle aged women with a mean age of 43; and 31 older women with a mean age of…

Itinerant educational consultants in New Hampshire have been specially trained to implement screening, referral, teaching and followup processes that enable partially sighted students to maximize their residual visual functioning. (LH)