A Swiss psychologist who proposed a theory for cognitive development which involved the sensorimotor, pre-operational, concrete operational, and formal operational stages
The self as a reflection of others. See Role-Distance.
A French sociologist laid the foundation of what has become one of the leading approaches to American sociology today by demanding separate existence for the science of sociology on the grounds that it has both an object and a substratum exclusively its own
Society follows a natural evolutionary progression toward something better.