Final answer:
The Illinois Agility Test is designed for field-based sports and includes diagonal running. It assesses an individual's speed, agility, and quickness.
Step-by-step explanation:
The agility test that is designed for field-based sports and includes diagonal running is the Illinois Agility Test. It is a common fitness test used to assess an individual's speed, agility, and quickness. The test involves running through a set course that includes forward sprints, lateral movements, and diagonal running.
In the test, athletes are required to navigate a series of cones or markers arranged in a specific pattern. The test measures an individual's ability to change direction quickly and efficiently, simulating the movements and agility required in various field-based sports such as soccer, rugby, and American football.