Literaturnachweis - Detailanzeige
| Autor/inn/en | Allen, Sue; und weitere |
|---|---|
| Titel | An Emphasis on Perception: Teaching Image Formation Using a Mechanistic Model of Vision. |
| Quelle | (1995), (33 Seiten)
PDF als Volltext kostenfreie Datei |
| Beigaben | Tabellen |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Monographie |
| Schlagwörter | Tagungsbericht; Depth Perception; Geometry; Light; Models; Observation; Optics; Physics; Pretesting; Scientific Concepts; Secondary Education; Vision; Visual Discrimination; Visual Perception |
| Abstract | An effective way to teach the concept of image is to give students a model of human vision which incorporates a simple mechanism of depth perception. In this study two almost identical versions of a curriculum in geometrical optics were created. One used a mechanistic, interpretive eye model, and in the other the eye was modeled as a passive, black-box receiver of light. These curricula were used with two treatment groups (N=28) of students from an ethnically diverse public school, which were balanced for gender, mathematics class completed, and self-reported grades in mathematics and science. It was concluded that the study demonstrated the gains to be made by teaching students a perception-based model of image formation rather than a more traditional geometrical definition of image formation. In particular, students who were taught a mechanistic model of visual perception exhibited a better understanding of the notoriously difficult relationship between an observer and a virtual image. They were also better able to identify the location of an image in a range of real-world optical situations, and were less likely to think of it as located on the surface of a mirror or lens. (JRH) |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2004/1/01 |
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