This book provides authoritative reviews of key areas of research in developmental psychology and demonstrates how these can inform practice in early years educational settings. The major theme is the fundamental importance of young children developing as independent self-regulating learners. It illustrates how good practice is based on four key principles which support and encourage this central aspect of development: Secure attachment and emotional warmth Feelings of control and agency Cognitive challenge adults supporting learning and learning from one another Articulation about learning and opportunities for self-expression This book provides an invaluable resource for early years students and practitioners by summarizing new research findings and demonstrating how they can be translated into excellent early years practice.