Earl Babbie, whose name many of you will recognize from discussions on methods and statistics, has written an essay on plagiarism . Click on any question number to see jeanne's answer to that question.
Theory is about thinking, and thinking critically.
Figurine by Rudiger Appel . Notice that you can see three effects in the animation. Either the Variation on the Kandinsky figurine appears to turn in a clockwise direction, or in a counterclockwise direction, or it appears to open and close. Link to Appel's site and then link to the background he provides. Scroll down until you find a link to background.