Essay
Name the three threats to internal validity that can occur in studies regardless of the use of a comparison group. Why doesn't a comparison group help in these cases?
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Observer bias,demand characteristics,and...View Answer
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Correct Answer:
Verified
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Q5: In previous studies, Dr. Schulenberg has established
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Q11: In previous studies, Dr. Schulenberg has established
Q12: A confound that keeps a researcher from
Q13: To be a history threat, the external