What legal ruling established that defendants can be acquitted of a crime if it is proven that during the act of the crime the individual did not know the nature of his or her actions or did not know that what he or she was doing was wrong?

Of the following statements, which one most accurately reflects up-to-date research on DSM- 5 categories of personality disorder?

A) Diagnostic criteria for personality disorders have remained very consistent for many years. B) Passive-aggressive personality disorder remains the personality disorder easiest to diagnose and treat. C) Individuals do not necessarily have to have very similar personalities to receive the same diagnosis. D) Personality disorder "clusters" are quite distinct from one another.

Why is it generally easier to extinguish behaviors that have been reinforced on fixed rather than variable schedules of reinforcement?

a) Extinction is built into fixed schedules. b) Reinforcement on fixed schedules is predictable, so it is easier to determine when it has stopped. c) Fixed schedules tend to lead to high rates of behavior, which over time are tiring to participants. d) Low rates of behavior occurring in fixed schedules mean that the rate of behavior is so close to extinction that all it needs is a little push.