EST's meet all of the following criteria EXCEPT:

A) use of no-treatment control, alternative treatment, and placebo treatment groups.
B) a specific population with a specific identified problem.
C) use of reliable and valid outcome measures.
D) treatment based on theoretical orientation vs. use of a written treatment manual.

The objective of ______ is to rate the degree to which each agreed-upon task has, in fact, been achieved.

A) single subject design
B) task achievement scaling
C) a satisfaction questionnaire
D) process evaluation