Perfect for courses in child development or developmental psychology and arranged thematically in sections corresponding to chapter headings usually found in textbooks, this book is ideal for students wanting an accessible book to enrich their learning experience. It provides an overview of the place of each concept in Developmental Psychology under three headings, namely its meaning, origins and current usage. The concepts are grouped into sections corresponding to the main themes usually covered in teaching. Relevant concepts in the book are emboldened and linked by listing at the end of each concept. Guidance is provided to further reading on each of the concepts discussed. The book will be centrally important to undergraduate students who need to learn the language used by developmental psychologists in describing their studies, but will also help more advanced readers in checking their ideas regarding the nature and uSAGE of particular concepts.