Define internal validity and external validity. It’s been said that external validity decreases when internal validity is high. Do you believe that is so? Explain your answer.
Answer to relevant QuestionsThe idea of non spurious association was introduced in Chapter 3. How does a confounding variable affect whether an association is spurious or non spurious? A university researcher asks students to participate in an experiment that takes 4 hours to complete in the last week of a semester. Each student receives 5 points extra credit. Another researcher conducts the same ...Attitudes are sometimes called tri-partite, meaning they have three components. What are the three components of an attitude? What are the advantages of using a slider scale? What are six critical questions for a researcher in designing a questionnaire?
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