2. Animation for Teaching

3. High Contrast Between Colors Distinctive Colors Black Red, Green, Yellow, Blue, Black, and White Click here to view elements of color design

4. Low contrast makes it hard to see

5. High Contrast works better

6. Gestalt Principle of Continuity Resolve ambiguity or fill in data to perceive whole objects Click to see examples

8. School Crossing Sign image Iowa Department of Transportation http:/www.iowadot.gov/saferoutes/grants.html Stop Sign image Transport Malta http://www.transport.gov.mt/roads-infrastructure/technical- guidelines/traffic-signs-guidelines Johnson, J. (2010). Designing With the Mind in Mind: Simple Guide to Understanding User Interface Design Rules. Elsevier Science