How is doing a replication study useful?

A) A replication study can demonstrate the reliability of the original findings and indicate what changes have occurred since the original study was conducted.
B) A replication study is useful only if the first study was conducted incorrectly or if there are other reasons to be suspicious of the results.
C) Unless there is a well-founded suspicion of deliberate fraud, there is no reason to replicate a study.
D) A replication is usually less expensive because most of the work has previously been done.

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Laura Arrojo Fernández · Accepted Answer

Final Answer : A, Explanation :  A replication study is useful because it can demonstrate the reliability of the original findings and show what changes have occurred since the original study was conducted. This helps to strengthen or modify the original conclusions and can provide more confidence in the validity of the results.

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