In making decisions, people tend to focus on examples that confirm their judgments and ignore instances that do not. This process often leads to

A school psychologist was concerned with the number of children being diagnosed with attention-deficit hyperactivity disorder (ADHD). If she were interested in learning how many new cases of ADHD had been diagnosed within the last year, she will look at ____

a. concordance rates c. sampling rates b. incidence rates d. prevalence rates

Mark received a call on his cell phone from his mother, but the reception was so poor and there was so much noise from the street that he had trouble making out her words. Even without knowing exactly what she was saying, however, he knew she was sad from her tone of voice. What can we infer from this information? a. Mark is unusually sensitive to people's moods. Most people cannot interpret

emotions very well over the phone. b. Mark is probably mistaken about his mother's mood. c. It is likely that Mark was holding his cell phone up to his left ear. d. It is likely that Mark was holding his cell phone up to his right ear.