Resources WEBSITES Centre for Early Childhood Development & Education Childcare Information Exchange Early Childhood Education Online ECRP — Early Childhood Research and Practice escrip.com NAEYC — National Association for the Education of Young Children ARTICLES Multi-age Grouping — David Elkind Recognizing the Essentials of Developmentally Appropriate Practice — Marjore J. Kostelnik, Ph.D. Questions or Comments Copyright © 2005 Campbell Child Development Center. All Rights Reserved