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How does sensitization threaten the external validity of research findings? Explain how using college students as...

How does sensitization threaten the external validity of research findings?

Explain how using college students as participants in a study may limit the external validity of a study's research findings.

What is the novelty effect, and how does it affect a study's external validity?

Math   Statistics-And-Probability   
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Answer #1

Sensitization does threaten the external validity of research findings because the results of the study may be obtained by the participants who have already experienced a pre-test. Sensitization hugely impacts the results of the study.

Using college students as participants in a study may limit the external validity of a study's research findings because the researcher can not generalize the results on the population on the basis of information collected from college students.

Novelty effect occurs when the results of a study are obtained due to newness of the treatment. It may pose threat to extternal validity as it will be difficult to determine whether the results came from the actual treatment or newness of the treatement.

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