Which of the following is a problem with cross-sectional research?
a. Participants tend to drop out of the study.
b. It tends to be more expensive to conduct than longitudinal research.
c. It tends to be more time-consuming than longitudinal research.
d. It yields a correlation, which may be difficult to interpret.
Answer: D
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a. somewhat lower than b. much higher than c. equal to d. much lower than
We must be cautious about accepting patients' statements
about the effectiveness of electroconvulsive therapy (ECT) because they may be motivated to justify their experience or because they believed the treatment would work before starting. This reminds the critical thinker of the importance of A) extraordinary claims. B) falsifiable research questions. C) Occam's Razor. D) ruling out rival hypotheses.