Organizational development is made up of which of the following scientific domains?

Organizational development encompasses a variety of scientific domains, which contribute to understanding and improving the functioning of organizations. Social psychology is significant because it focuses on how individuals interact within group settings, affecting teamwork, communication, and culture in organizations. Industrial-organizational psychology plays a critical role as it applies psychological principles to the workplace, studying employee behavior, motivation, performance, and workplace dynamics. Applied psychology serves as a broad category that encompasses any psychological principles used in practical applications, including those in organizational contexts.

Since all three domains—social psychology, industrial-organizational psychology, and applied psychology—are foundational to the theories, methods, and strategies used in organizational development, the correct answer reflects this comprehensive integration of knowledge from different fields. Each domain contributes unique insights that collectively enhance the understanding of organizational behavior and change, making the response encompassing all of them the most accurate choice.