Answer:
The correct answer is - obsessive-compulsive disorder.
Explanation:
Obsessive-compulsive disorder is compulsive or repetitive behavior in an individual because of unreasonable fear or thoughts. It is a long-lasting chronic disorder that is occurring due to excessive thought.
Lee is having excessive thought about calculation mistakes in grading students that are leading to checking papers again and again which is characterized by this behavior as obsessive-compulsive disorder.
Thus, the correct answer is - obsessive-compulsive disorder.
Finding out if an exercise is safe needs to determine the fitness level of the exercise and how much it takes to achieve the result of the exercise. The person performing the exercise needs to know their endurance level and if they are able to perform the exercise without injury or illness.