In a study of the effectiveness of an experimental drug on sleep apnea, researchers are expecting the drug to have long-lasting beneficial effects on their participants. In this case, what type of correlated-groups design should they use?
A) a within-subjects design
B) a matched-subjects design
C) a simple repeated-measures design
D) a matched-conditions design
Question 2
If an instructor wanted to compare two methods of teaching reading to first graders, which type of design would NOT be appropriate and why?
A) A matched-subjects design is not appropriate because it requires too many participants in comparison with other types of designs.
B) A within-subjects design is not appropriate because of its sensitivity to carryover effects.
C) A between-subjects design is not appropriate because of its sensitivity to carryover effects.
D) A matched-subjects design is not appropriate because of its sensitivity of carryover effects.
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