Final answer:
The most common compulsion exhibited by individuals who have OCD is excessive repetitive motor behaviors.
Step-by-step explanation:
The most common compulsion exhibited by individuals who have OCD is excessive repetitive motor behaviors.
These repetitive motor behaviors, also known as compulsions, are a hallmark symptom of OCD.
Examples of repetitive motor behaviors include repeatedly washing hands, checking locks, or arranging objects in a certain order.