Multiple Choice
A researcher who is studying methods of decreasing test anxiety decides to measure anxiety in a group of volunteers both before and after an experimental intervention. He finds that anxiety levels are lower after the intervention. However, when reviewing his results, the researcher notes that the first test occurred about a week before midterm exams and the second test occurred two weeks after the exams. This study appears to have a problem with ____.
A) internal validity
B) external validity
C) reliability
D) accuracy
Correct Answer:
Verified
Correct Answer:
Verified
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Q18: Any factor that limits the ability to
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Q21: When research is conducted in a _,