James Feldspar has just started therapy, since he has been feeling anxious for quite some time. His first meeting with Dr. Schmidlap went very well. After James spoke to his friend about it, his friend asked him several questions. James's friend asked if Dr. Schmidlap was a psychiatrist or a psychologist, if mindfulness would play a part in therapy, and how often he would meet with Dr. Schmidlap. James began to worry if his therapy with Dr. Schmidlap would be successful.
From the choices below, what is the biggest predictor of therapeutic success?