Essay
Define the concepts internal and external validity. Discuss why we say that for some experiments an attempt at increasing one type tends to jeopardize the other type.
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Internal validity refers to the extent t...View Answer
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Correct Answer:
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Q1: When a researcher asks the question, "Have
Q2: Because the test itself is not a
Q3: An experiment in which extraneous variables are
Q4: A loose connection between theory and method
Q6: A participant's ideas and expectations about an
Q7: External validity refers to the extent to
Q8: If you were studying the effects of
Q9: The threat of confounding is particularly serious
Q10: When statistical tests are used improperly, a
Q11: Automating experiments so that they are run