Compulsions
Washing and cleaning
Washing hands until they are red and chapped, brushing teeth until gums bleed.
Checking
Returning to check that the door is locked more than once.
Symmetry
Need to have socks at same height on each leg, Having sleeves and trouser leg exactly equal width.
Counting
Counting of steps while walking, insist on performing a task a specific number of times.
Repeating
Performing a mindless task repeatedly until it “feels right;” redoing a task that has already been acceptably completed, such as erasing letters on a page until the paper wears through.
Hoarding
Hiding food under the bed; refusing to throw away soda cans or gum wrappers, for instance.
Praying
Excessive, time-consuming repetition of protective prayers or chants.