Which of the following statements is most true of comparison groups?
A) The use of a comparison group poses a threat to internal validity.
B) They represent a group of employees who do not attend training.
C) Employees in a comparison group have personal characteristics that are different from others.
D) They increase the possibility that changes found in outcome measures are due to factors other than training.

Question

Quizplus · Accepted Answer

A comparison group is typically used to represent a group of employees who do not attend training, allowing for a comparison of outcomes between those who received training and those who did not.

Which of the Following Statements Is Most True of Comparison