Which statement best describes behaviour therapy?
a. Behaviour therapists have historically placed little emphasis on measuring therapeutic outcomes.
b. Insight therapists generally can measure progress more precisely than behaviour therapists because of the nature of their therapeutic goals.
c. Behaviour therapies can make important contributions in treating obsessive-compulsive disorder, schizophrenia, eating disorders, and hyperactivity.
d. The evidence for the effectiveness of insight therapy is stronger than the evidence for the effectiveness of behaviour therapy.