Which of the following provides the MOST effective means of evaluating the value of a skill-training course for the participants and their employers?

A.
The scores participants received on measurement instruments

B.
The comments made by the participants on the end-of-course evaluation sheets

C.
The extent to which the participants can apply the new skills learned in the course to their jobs

D.
Documented evidence of participants’ regular attendance and successful completion of the course activities