How Is Doing a Replication Study Useful

Multiple Choice

How is doing a replication study useful?

A) A replication study can indicate what changes have occurred since the original study was conducted.
B) A replication study is only useful if the first study was conducted incorrectly.
C) If the original researcher replicates the study, it is more useful than other researchers replicating the original study.
D) A replication is usually less expensive because most of the work has previously been done.