The DEC Recommended Practices provide guidance to families and professionals about the most effective ways to improve learning outcomes and promote development of young children, birth through age 5, who have, or are at-risk for, developmental delays or disabilities. "Interaction: Enhancing Children's Access to Responsive Interactions" is the fifth edition of the DEC Recommended Practices Monograph Series, and it offers professionals and families multiple ways to implement the interaction practices across the settings in which children grow and learn.