A vehicle operation diagnosis device (1) that diagnoses a driver's operation of a vehicle based on a vehicle parameter and a driving diagnosis judgment standard that is set for a diagnosis item, the vehicle operation diagnosis device being characterized by comprising: \n a factor acquisition unit that acquires information that pertains to an accident factor for a high-accident location in the vicinity of the vehicle where not less than a specified number of accidents have occurred in the past; \n a diagnosis judgment standard modification unit that, in a case where the vehicle is traveling in the high-accident location, modifies the driving diagnosis judgment standard based on the accident factor for the high-accident location; \n a parameter acquisition unit (13) that acquires the vehicle parameter; and \n a vehicle operation diagnosis unit (32) that diagnoses the driver's operation of the vehicle based on the driving diagnosis judgment standard that was modified by the diagnosis judgment standard modification unit and on the vehicle parameter that was acquired by the parameter acquisition unit.
Vehicle operation diagnosis device, vehicle operation diagnosis method, and computer program