Which statement is true? Pair matching is particularly useful in case-control de
ID: 238153 • Letter: W
Question
Which statement is true?
Pair matching is particularly useful in case-control designs.
Propensity score matching is appropriate when there is a single confounder.
Pair matching is a good adjunct strategy in randomized controlled trials.
Another term for pair matching is balancing.
A.Pair matching is particularly useful in case-control designs.
B.Propensity score matching is appropriate when there is a single confounder.
C.Pair matching is a good adjunct strategy in randomized controlled trials.
D.Another term for pair matching is balancing.
Explanation / Answer
Answer: C
A matched pairs design is a special case of a randomized block design. It can be used when the experiment has only two treatment conditions.
subjects can be grouped into pairs, based on some blocking variable. Then, within each pair, subjects are randomly assigned to different treatments.
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