Final answer:
George Peter Murdock's functionalist theory of the family emphasizes the essential functions performed by the family unit in society. These functions contribute to the stability and development of society as a whole.
Step-by-step explanation:
George Peter Murdock's functionalist theory of the family emphasizes the essential functions performed by the family unit in society. According to Murdock, the family has four universal residual functions: sexual, reproductive, educational, and economic. These functions contribute to the stability and development of society as a whole. For example, the family regulates sexual relations between individuals and facilitates reproduction, which ensures the survival of society. Additionally, the family plays a role in providing education and economic support.