Which of the Following Is an Example of "Psychology in the Law

Which of the following is an example of "psychology in the law"?

A) a psychologist providing expert testimony in court on the accuracy of eyewitness identification
B) examining how we can improve the assessment of fitness to stand trial
C) validating a tool for predicting risk of violence
D) a researcher examining factors that affect police decision making in a lab setting
E) studying the impact of a new interrogation technique to see if it decreases the likelihood that people will make false confessions