The most scientifically reliable method for determining whether a learning and development activity has directly contributed to improving learners' performance is to:
A) ask learners if it has been effective.
B) ask learners how they are applying what they have learnt and what results they have achieved.
C) measure learners' performance after the training and compare it with their performance before the training.
D) compare the performance results of a group of employees who were trained with those of another group who were not trained (i.e. a control group).
E) observe learners to see if their performance has improved.

Question

Quizplus · Accepted Answer

Using a control group allows for a comparison that can attribute changes in performance directly to the training, isolating it from other variables.

The Most Scientifically Reliable Method for Determining Whether a Learning