Based on this information, the compulsion most likely associated with Ed's obsession is a checking compulsion.
It is an exaggerated and impetuous propensity towards something, that is, it is an obsessive behavior that develops from a stimulus that is subjugating for the individual.
Checking compulsions are centered on or associated with pathological doubt and the need for verification.
Therefore, we can conclude that based on this information, the compulsion most likely associated with Ed's obsession is a checking compulsion.
Learn more about compulsions here: https://brainly.com/question/12174116
