A Fundamental Characteristic of the Multi-Systemic Therapeutic Approach Is That

A fundamental characteristic of the multi-systemic therapeutic approach is that

A) treatment effectiveness is evaluated continuously from the perspective of multiple stakeholders.
B) treatment effectiveness is evaluated at the beginning of treatment and again at the end from the perspective of multiple stakeholders.
C) treatment effectiveness is assumed because of the strong research base it comes from.
D) treatment effectiveness is evaluated by only the young person receiving treatment.