A trainer wants to be able to verify that the students’ knowledge has increased on the course subject. Which of the following methods should a trainer use to verify the increase in knowledge?
A. Evaluate the students at the end of the course on their knowledge.
B. Ask the students if they have learned anything from the course.
C. Survey the students on the trainer’s teaching ability.
D. Conduct pre-course and post-course evaluations of the students.
