Which of the following statements is NOT true of family-oriented therapies?

A) Families are taught about the disorder's biological causes, its symptoms, and the medications and their side effects.
B) Family members learn communication skills as well as problem-solving skills to reduce the overall level of stress in the family.
C) Family members learn behavioral techniques for encouraging appropriate behavior and discouraging inappropriate behavior by their family member with schizophrenia.
D) Family-oriented interventions, even when combined with drug therapy, appear to be less effective at reducing relapse rates.