Informing or Asking

The Informing or Asking video (above) explains:

  • General information
  • Verbal permission
  • Written agreement
More Videos

The Which Medication Is Best? video explains:

  • Influences on variation in usual medical care
  • Doctors’ uncertainty about usual medical care

The Approaches to Research on Medical Practices video explains:

  • Medical record review
  • Randomization
  • Randomization of clinics and hospitals