Up until the 1960s, the ________ view was the dominant popular approach to psychology

According to the chapter You're Driving Me Crazy, a study has external validity if it

(a) has many participants (b) uses accurate measures (c) has been repeated several times (d) can be generalized to the real world

Jordan and Doris are teenagers who live near six other teens

All eight of the teens tried out for the high school play, and all but Jordan and Doris were rewarded with a part in that play. Though Jordan and Doris were bummed about not getting a part, they were more upset by the behaviors of the other six teens. It seemed that all of the students in the play formed a strong bond and sense of togetherness. They did not want anything to do with other students who were not in the play. Because of that, Jordan and Doris rarely see the other six teens from the neighborhood anymore. According to research in social psychology, which of the following statements is true? a) Doris is part of the out-group; Jordan is part of the in-group. b) Jordan and Doris are part of the out-group. c) Jordan is part of the out-group; Doris is part of the in-group. d) The teens in the play are part of the out-group.