3. T eaching is not a science; it is an art. If teaching were a science there would be a best way of teaching and everyone would have to teach like that. Since teaching is not a science, there is great latitude and much possibility for personal difference. -George Polya cited in O’Connell and Robertson, 2002
23. Each type of technology can help fulfill learning goals in different ways: Goal Technology Communication and writing Word processing and email, electronic discussion Organization and analysis Database, spreadsheets, graphic organizers Importance of visual communication Drawing, presentation, media Memorization Drill and practice, instructional video Exploration Electronic encyclopedia, simulations, hypermedia-based presentation