This site contains a number of simulations, discussions, and tutorials pertaining to vision and perception. Numerous demonstrations are used to illustrate various visual phenomena.
Type of Material:
The site has a great deal of both text and graphics. Demonstrations are provided with accompanying explanatory text.
The site is a suitable resource for both elementary and advanced study of topics in visual perception. It provides useful tutorials for students taking any class that covers the topics addressed. The site can stand alone or be used to further student understanding.
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Identify Major Learning Goals:
The demonstrations and tutorials are intended to illustrate and explain how visual cues in our surroundings contribute to our perception of color, motion, and depth of field.
Target Student Population:
The target population is college level students.
Prerequisite Knowledge or Skills:
A basic understanding of the functioning of the visual system would be useful. While some of the topics on this site require little prerequisite knowledge or skills, others appear better suited to upper level college students.
Several of the site's major components, such as Use of Visual Information in Art, Size Constancy, Fourier Analysis, and Receptive Fields, provide excellent coverage of the subject matter.
In some cases significant links to topics did not function. In another instance(Gestalt Laws of Organization) no text was provided to describe the numerous examples of visual perception contained in that area of the web site.
Potential Effectiveness as a Teaching Tool
Most of the tutorials/demonstrations on the web site cover the material very well, and the quality of the accompanying graphics enhance the presentation. The site makes potentially boring material interesting.
In one instance a major subject area (Aftereffects) had several links that did not work, which made that portion of the site totally ineffective.
Ease of Use for Both Students and Faculty
A large portion of the site was easy to navigate and fun to use. The site is well-organized.
In certain areas of the site it was difficult to return to the site's home page. It was quicker to completely exit the site and return to it then to go back through each section of a completed tutorial/demonstration using the "back" button.
Other Issues and Comments:
While most of the site's components were informative and easy to use, some parts of the site, perhaps those which were added later in the site's development, appeared to be under construction or otherwise incomplete, since there was a greater incidence of nonfunctional links and little or no text to accompany the demonstrations.
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