Answer:
Sam can provide clarification on the instructions that members of the jury must follow.
Step-by-step explanation:
A cognitive psychologist, like Sam, works with elements that study and improve the way human beings understand, perceive, remember and represent the things with which they have contact. More directly, we can say that these types of psychologists deal with perception and understanding and for that reason, their presence is so important in legal processes where the presence of a jury is requested. This is because the cognitive psychologist is necessary to help jurors understand the instructions they must follow.