This publication is based on work wholly sponsored by the Office of Educational Research and Improvement (OERI), U.S. Department of Education, under contract number RJ96006801. The contents of this publication do not necessarily reflect the view of OERI, the Department, or any other agency of the U.S. Government. The Southwest Educational Development Laboratory (SEDL) is an Equal Opportunity/Affirmative Action Employer and is committed to affording equal employment opportunities for all individuals in all employment matters.

The print publication was designed and produced by Pangloss Publishing of Austin.
On-line version design and graphics by Chris Sears.