<prompt> A 28-year-old taxi driver is chronically consumed by fears of having accidentally run over a pedestrian. Although he tries to convince himself that his worries are silly, his anxiety continues to mount until he drives back to the scene of the accident and proves to himself that nobody lies hu in the street. This behavior is an example of which of the following? NOT RELATED - PSYCHIATRYA compulsion secondary to an obsessionAn obsession triggered by a compulsionA delusional ideationA typical manifestation of obsessive-compulsive personality disorder  <response>: . 