What Is an Advantage of Using a Fixed Test Battery

What is an advantage of using a fixed test battery over a flexible selection of appropriate tests?

A) Fixed batteries provide neuropsychologists with norms that can be used to compare the performance of their client with a group of similar people
B) Fixed batteries allow neuropsychologists to interpret the results based on their experience, which gives a better insight into the client's feelings
C) Fixed batteries are not affected by the social, cultural and medical histories of the client
D) Fixed batteries cannot result in inaccurate conclusions about the nature of the cognitive deficit