Welcome to the Companion Website!

Welcome to the SAGE edge site for Introduction to Abnormal Child and Adolescent Psychology, Third Edition.

The SAGE edge site for Introduction to Abnormal Child and Adolescent Psychology by Robert J. Weis offers a robust online environment you can access anytime, anywhere, and features an impressive array of free tools and resources to keep you on the cutting edge of your learning experience.


Fully revised and updated to increase student engagement, the Third Edition reflects the latest advancements in the field, including complete DSM–5 criteria, to provide the most comprehensive introduction to abnormal child and adolescent psychopathology. Utilizing a developmental psychopathology approach, the book explores the emergence of disorders over time, describes the risks and protective factors that influence developmental processes and trajectories, and examines child psychopathology in relation to typical development while considering each family’s sociocultural context. Offering current, relevant, and practical scientific information in every chapter, the book helps students develop the understanding they need to make informed decisions about the welfare of their families, schools, communities, and society.


We gratefully acknowledge Robert J. Weis for writing an excellent text and assisting with digital resources creation. Special thanks are also due to Rachael Lapidis, Usha Barahmand, and Jill Norvilitis for developing the ancillaries on this site.