Question

Each of the following statements states a weakness with the evaluation techniques presented in the text; which of the statements is NOT true?
A) Posttest only " there could be a number of other competing causes for any change.
B) Pretest/posttest " it is difficult to determine the impact of training on any changes that occur.
C) Posttest only with control group " results may not generalize to other groups
D) Pretest/posttest with control group " threats to external validity are still a concern.
E) All of the above are true.

Answer

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