Which of the following is a benefit of using 'Model Groups'?

Using 'Model Groups' in Revit provides significant advantages, particularly the facilitation of modification of repeated components. When working on architectural projects, there are often elements such as rooms, furniture layouts, or structural components that are repeated throughout the design. By utilizing Model Groups, changes made to a single instance of the group are automatically propagated to all instances throughout the project. This streamlines the design process, saves time, and ensures consistency across the model, making it easier to manage and adjust multiple components simultaneously.

The other options related to graphical rendering, viewing angles, and load times do not capture the primary functional benefit of Model Groups, which focuses on the efficiency and consistency of modifying similar elements in a design project. This ability to make widespread changes quickly is essential for maintaining project accuracy and coherence in design iterations.