Stronx Consulting Implements a Training Program for Its Employees

Stronx Consulting implements a training program for its employees.The pretest and posttest do not show any significant variation in the competency,skill,or knowledge of the employees.The management concludes that the training program was futile.Which of the following,if true,would weaken the management's conclusion?

A) The actual impact of the training can only be evaluated by comparing the performance of employees who underwent training and those who did not.
B) The posttest evaluated employees for similar levels of knowledge, skill, and competency as the pretest.
C) Posttests and pretests are very complex, and Stronx Consulting should have used a simpler form of evaluation.
D) The duration of the training was three months, which is comparatively short when compared to the duration of many other training programs.
E) The posttest was conducted immediately after the completion of the training program.