The included programs are an aid to teaching Correlation and other statistics. They were written by John Hattie to aid in the teaching of his course at the University of Western Australia. These programs are freely distributable as long as this note is included unmodified with the rest of the archive. You may NOT charge any money for the distribution of these programs without the consent of the author. You must not make a profit out of the distribution of this software. You may not modify the software in any way. This software is not supported. Any problems that you encounter are your problems and not the fault or problems of the author. There will not be upgrades or bug fixes for this software. The author of this software is John hattie (jhattie@ecel.uwa.edu.au)