Answer: (C) Replication
Step-by-step explanation:
According to the given question, stand and the jenny are required for repeating the experiments by conducting the proper research for producing the similar result and this is known as replication.
The replication is the term which is used to refers to the technique in which we using the same experiment by using the different types of samples for determining the reliability.
The replication is also known as the scientific method and it basically refers to the repetition of the various types of experiment conditions.
Therefore, Option (C) is correct answer.