To minimize bias in assessing learner attainment of course objectives, a trainer must do which of the following?
A.
Measure each learner’s progress from the individual’s starting point.
B.
Measure each learner from a choice of standards based on individual learning styles.
C.
Measure all learners against the same pre-established standard.
D.
Measure all learners by using evaluation techniques that are unobtrusive.