Unwanted, recurring thoughts or urges – e.g., the child may have persistent fears of harming someone or acting out.

Deliberate repetition of actions – e.g., the child may tap a surface exactly three times before moving on.

Actions driven by illogical fears – e.g., the child may refuse to touch doorknobs due to fear of contamination.

Persistent fixations on certain ideas – e.g., the child may worry constantly about losing control or making mistakes.

Repeated verification actions – e.g., the child may check the lock on the door multiple times before bed.

Need for actions to feel exact – e.g., the child may arrange toys symmetrically until they feel “just right.”