Which of the Following Is the Best Definition of Conceptual

Which of the following is the best definition of conceptual replication, as described in your textbook?

A) A new study that repeats the methods of an old study, to see whether the results are the same
B) A new study that addresses the same hypothesis as an existing study, but uses somewhat different methods
C) A study asking whether two measures of emotion are highly correlated with each other, suggesting that they measure the same concept
D) A situation in which two researchers agree on the theoretical principles behind their research