Jody wants to see if she can get the same results that Milgram saw in his obedience study. She sets of the study in an identical manner to Milgram, but has an idea that if she tells participants that they are free to stop at any time they feel uncomfortable, they will not go nearly as far up the voltage scale as Milgram’s original participants. Jody’s experiment is best referred to as

Replication with extension study

Explanation:

Replication-extension studies are studies that consult prior studies and combine their results with new studies with the aim of replicating and extending the results of prior studies. This is seen with Jody above trying to replicate milgram's study. This type of studies have many advantages over the traditional single-study designs which is majorly the fact that misleading findings from prior studies can be exposed