A researcher conducts in-depth interviews and observations of an individual survivor of the war in Afghanistan. What data collection method has she used?

On Monday, the meteorologist forecast a 20 percent chance of rain, so Sheryl took her umbrella to work. On Friday, he reported an 80 percent chance that it would not rain, so Sheryl left her umbrella at home. Sheryl's behavior illustrates:

a. confirmation bias. b. the belief perseverance phenomenon. c. overconfidence. d. the representativeness heuristic. e. the framing effect.

Inappropriate affect, the experiencing of emotions that are unsuited to a situation, is classified as a ___________ symptom of schizophrenia.

a.) Neurological b.) Negative c.) Avolitional d.) Positive