Reasons to Conduct Replication Research Might Include Which of the Following

Reasons to conduct replication research might include which of the following?

A) The original study, using a small sample, showed statistically significant results.
B) The original research showed statistically significant findings, but the research site is no longer in operation.
C) The original sample size was adequate, the design was strong, and results showed no statistically significant results.
D) Subjects in the original study confided to the researcher, after the research had been completed, that they did not enjoy filling out the survey.
E) The original study produced statistically significant results in surgical outpatients. The researcher questioned whether the results would be the same in an inpatient setting.