NOTE: Java is becoming increasingly difficult to work with on the web. I am in the process of both building a new site built in javascript to accompany a textbook (Schwartz and Krantz, Sensation and Perception, Sage Publisher, due out January 2015) and hope to update the rest to javascript. I am linking to the new site activities, Interactive Sensation Laboratory Exercises (ISLE) when they exist. They are indicated with Part of ISLE after the link. Thanks.