Prepared patients have fewer fears.
D000328:Adult; D006348:Cardiac Surgical Procedures / Q000523:psychology; D002648:Child; D002673:Child, Hospitalized; D002675:Child, Preschool; D006266:Health Education; D006745:Hospital Bed Capacity, 300 to 499; D006758:Hospital Volunteers; D006801:Humans; D007196:Indiana; D010353:Patient Education as Topic; D011300:Preoperative Care; D012381:Role Playing