alliance for childhood

Experiential Learning and Play in Pre-K and Kindergarten.

Alliance for Childhood (2009).  

The Center for Early Childhood Education

Science in Support of Play: The Case for Play-Based Preschool Programs. 

Jeffrey Trawick-Smith and Phyllis Waite. Center of Early Childhood Education, Eastern Connecticut State University (2009). 

educational resources information center (eric) digest

The Benefits of Mixed-Age Grouping. 

Lilian G. Katz. ERIC Digest (1995). 

Network of infant/toddler researchers

Including Relationship-Based Care Practices in Infant-Toddler Care: Implications for Practice and Policy

Laura Sosinsky, Karen Ruprecht, Diane Horm, Kerry Kriener-Althen, Cheri Vogel, Tamara Halle. Network of Infant/Toddler Researchers (2016). 

Alliance for childhood

Facing the Screen Dilemma: Young Children, Technology, and Early Education. 

The Campaign for a Commercial-Free Childhood and the Alliance for Childhood (2012).