What Is the Difference Between a Psychotherapy Efficacy and a Psychotherapy

Multiple Choice

What is the difference between a psychotherapy efficacy and a psychotherapy effectiveness study?

A) Efficacy refers to research conducted with adequate control groups or treatment as usual.
B) Efficacy refers to research conducted without random assignment.
C) Effectiveness refers to research conducted without random assignment.
D) Effectiveness refers to research conducted under real-world conditions.