Twenty participants are studied in a simple experiment. Then, 20 participants are studied in a matched pairs experiment. Relative to the simple experiment, the matched pairs experiment has
A) less power, fewer df
B) more power, fewer df
C) less power, more df
D) more power, more df
Correct Answer:
Verified
Q6: Participants serve as their own controls in
Q7: The matched pairs design establishes internal validity
Q8: The matched pairs design has more power
Q9: If matching is based on an irrelevant
Q10: Matching is desirable only when some uncontrolled
Q12: If the average difference between conditions is
Q13: The matched pairs design should be analyzed
Q14: Properly executed, the matched pairs design should
Q15: Matching on pretest scores can
A) improve power
B)
Q16: Matching on pretest scores can do all
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