If a Trainer Is Concerned About an Aptitude-Treatment Interaction, What

Multiple Choice

If a trainer is concerned about an aptitude-treatment interaction, what exactly is she concerned about?

A) that the aptitude of trainees might prevent them from learning
B) that the instructional method might not be effective for all trainees
C) that trainees might require a treatment to increase their aptitude before the training
D) that trainees will resist the training if they don't like the instructional method