Question

Before leaving her home, margaret makes sure that every electrical appliance is unplugged and checks that every window and door is securely locked. she checks everything 17 times according to a strict ritual that she has worked out. if she misses one window, door, or appliance, she must begin all over again. if she tries to skip any step of the ritual, she experiences unbearable anxiety. margaret is probably suffering from:

Answer 1

I believe the answer is: Obsessive compulsive disorder

People with obsessive compulsive disorder would experience constant uncontrollable urges or obsession to achieve a certain things into smallest detail of perfection. So, it is very  common for OCD patients to repeat the same behavior over and over again until they're truly satisfied.