Recall that Latané and Darley observed the number of participants in each experimental condition who left their cubicles to help the alleged victim of a seizure. The ________ was the independent variable in their experiment

Two-year-old Duncan, a participant in a study of self-evaluation, is trying to complete a difficult puzzle, but he doesn't realize that he is trying to make a piece from a different puzzle fit into the one in front of him

After trying unsuccessfully for a while, Duncan is most likely to a. keep working on the puzzle, showing no emotion b. lose interest and stop trying to finish the puzzle c. make eye contact with the nearby experimenter d. show "open" body postures

Which type of personality disorder is characterized by difficulty forming emotional attachments, lack of empathy, and little regard for the rights of others?

A) Antisocial personality disorder B) Borderline personality disorder C) Histrionic personality disorder D) Narcissistic personality disorder