The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy Checklist—revised, is a psychological assessment tool that is commonly used to assess the presence and extent of psychopathy in individuals—most often those institutionalized in the criminal justice system—and to differentiate those high in this trait from those with antisocial personality disorder, a related diagnosable disorder.

The Checklist Manifesto: How to Get Things

a widely used caregiver report form identifying problem behavior in children.

In aviation, a preflight checklist is a list of tasks that should be performed by pilots and aircrew prior to takeoff.

The Symptom Checklist-90-R is a relatively brief self-report psychometric instrument (questionnaire) published by the Clinical Assessment division of the Pearson Assessment & Information group.

a psychological questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months.