Internal validity refers to whether
A) a statistically significant change occurred.
B) Type II errors occurred.
C) a research design provides sufficient control that one can learn whether the program caused a change in an outcome.
D) the findings can be generalized to other similar groups.
Correct Answer:
Verified
Q1: Pretest-posttest designs permit the evaluator to learn
Q2: A posttest-only evaluation design is often useful
Q4: Evaluation designs should be selected so that
A)
Q5: The use of small samples can lead
Q6: Conclusion validity refers to
A) statistical significance.
B) high
Q7: The question of how much improvement in
Q8: Correlating the amount of service received with
Q9: The difference between the mean of the
Q10: The threat to internal validity (called "maturation")
Q11: The threat to internal validity called "history"
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