Back to Vision page Press the button below for a demo of the behavioral Size experiment, and follow the on-screen instructions. (a new window should open). (Note: This is a Java Applet and you may need to install and enable Java in your browser. Most recent Java standard edition can be downloaded from http://java.sun.com. Note for OS X users: J2SE 5.0 Release 4 or newer is recommended. If you are using earlier editions, you may need to run Java preferences utility under /Applications/Utilities/Java/J2SE 5.0/. See http://docs.info.apple.com/article.html?artnum=301073. These applets are tested using the latest versions of Firefox browser http://www.mozilla.com/firefox/).