The interquartile range is the difference between the third quartile and the first quartile.

An elderly woman suffered a stroke, and there was injury to Broca's area of her brain. Her resulting speech impairment is called

a. aphasia. b. agnosia. c. mind blindness. d. neglect.

Research suggests that prejudice is reduced when ________

a. groups are asked to pretend that they like each other. b. an intellectual argument against prejudice is made. c. members of different groups are made to cooperate with one another to achieve a goal. d. a moral argument against prejudice is made.