articles and artwork are copyrighted -- please honor the copyright 


You are welcome to reprint any of the original articles on this site, as long as:

  • You preserve the copyright notice on the bottom of each file, and
  • You are only using the reprint for your own personal use or to share with colleagues. That said, original articles from this site may not be uploaded to the web or posted to mail lists that may be archived on the web.

Original articles on this site may not be reproduced if they are going to be sold or included in any packet of materials that is sold. The materials may not be reproduced in any packets that are for conference handouts if attendees pay a registration fee for the conference.

Materials that appear on this site that are in the public domain (such as articles by government agencies) may be reproduced as long as you honor their terms for reprinting.

If you wish to reproduce any of my original articles on another web site, you will need to email me to request permission.

By the same token, I have made efforts to respect others' copyrights. If any article reprinted on my site is reprinted in violation of someone else's copyright, please email me with the file url and your statement that you are the copyright holder, and I will remove the file from my site.








Copyright 2001 - 2009, Leslie E. Packer, PhD, unless otherwise noted. All rights reserved. Some of the illustrations on this site are the copyrighted work of Dennis Cox, and may not be reproduced. Information on this site is for educational purposes only and does not constitute advice for any specific student or child.

To reproduce material from this site, please see the Reprint page for terms and conditions. Problems with this site? Contact: Webmaster This page last updated April 30, 2009.