Random assignment is an important procedure in both experiments and correlational research.
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Q2: Every experiment has at least one independent
Q3: A scientific theory is just a guess.
Q4: A case history studies a random sample
Q5: In an experiment on how coffee affects
Q6: A good scientific theory should be falsifiable.
Q8: Properly conducted experiments allow researchers to draw
Q9: The control group in an experiment is
Q10: Changing the wording of a survey question
Q11: Several laboratory demonstrations of extrasensory perception are
Q12: If variable A has a strong positive
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