Which of the Following Is NOT a Possible Reason That

Multiple Choice

Which of the following is NOT a possible reason that therapists have been unable to replicate the success rates that Masters and Johnson were getting in therapy?

A) Clients are significantly different than Masters and Johnson saw.
B) Therapists' definitions of success are more stringent than Masters and Johnson's were.
C) Masters and Johnson reported non-failure rates not success rates.
D) Therapists are not conducting good therapy.