How does operations research focus on an entire organized system rather than individual parts?

Operations research adopts a systems orientation, recognizing that the performance of an organized system is determined by the interactions between its parts rather than the actions of any single component in isolation. Even if individual parts perform well, the system as a whole may not, because the components may not fit or function together effectively.12

To address this, operations research focuses on:

• Evaluating Interdependencies: It analyzes how changes in one part of a system affect the performance of the entire system.2
• Holistic Problem Solving: It searches for the causes of problems in one area by examining other parts of the system or the interrelationships between them.2
• System Design: Rather than just solving isolated issues, it aims to design problem-solving and implementation systems that predict, prevent, and maintain solutions under changing conditions.3
• Aggregation: While large, complex problems may be broken down into smaller, solvable units (such as prototype models), these are treated as an integrated whole to ensure the final solution serves the system's overall objectives.4

By applying the scientific method, operations research provides an objective basis for managing these complex, interconnected systems.1