Gradually he pieced together a "blueprint" for normal cognitive development in children ... Piaget found four major developmental stages (with many subdivisions). For the first year and a half ...

This article will discuss the role of cognitive development, stages of development, and developmental tasks and how they affect the provision of preventive services. Guidelines for Adolescent ...

Human development is influenced by ... depending on their age, personality, and developmental stage. Over the past several decades, the age of puberty has been dropping for many young people ...