Question

Which of the following statements is true of comparison groups?

a. The use of a comparison group poses a threat to internal validity.

b. Comparison group consists of a group of employees who do not attend the training program.

c. Employees in a comparison group have personal characteristics that are different from other trainees.

d. Use of a comparison group in training evaluation increases the possibility that changes found in the outcome measures are due to factors other than training.

Answer

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