Step 1: Understanding the Concept:
This question asks to identify the author of a classic definition of social change in sociology.
Step 2: Detailed Explanation:
The sociologists Robert M. MacIver and Charles H. Page are famous for defining society itself as "a web of social relationships."
- As a direct logical extension of this definition, they defined social change as an alteration in this web. Their precise statement is that social change is a "change in the social relationships".
- This definition is one of the most widely cited in introductory sociology because it focuses on the structural essence of society—the patterns of interaction between people.
Step 3: Final Answer:
MacIver and Page said, "Change in social relationship is social change".