Explanation:

- Parsons: Focused on social systems and the role of institutions in maintaining societal stability.

- Weber: Analyzed stratification through class, status, and party, but didn't specifically link it to role allocation and performance.

- Malinowski: Known for his work in anthropology, studying cultural institutions but not specifically for the concept mentioned.

- Davis and Moore: Argued that stratification is necessary for role allocation and role performance, claiming it ensures the most talented individuals fill the most important roles in society.

- Correct Answer: Davis and Moore