When people diagnosed with antisocial personality disorder (APD) are exposed to stressful stimuli, such as loud noises or the sudden appearance of an angry face, they react _________________ people without APD

A) more than
B) less than
C) about the same as
D) faster than

Answer: B
Rationale: Researchers have discovered that people with antisocial personality disorder are under-reactive to stress. For example, a flash of light, a loud sound, or the sudden appearance of an angry face will startle most people. In contrast, people with APD show very weak startle responses—such as blinking—when exposed to unpleasant stimuli.