The children in Triplett's classic research on social facilitation reeled in more fishing line when they were alone than they did in the presence of other children

Which of the following is true of kleptomania?

a. The stolen objects are typically of little value or use to the person. b. Most people with kleptomania cannot easily afford the items they steal. c. The thefts are usually motivated by anger or vengeance. d. The crimes are impulsive and poorly planned.

Neurons of the monkey secondary auditory cortex respond robustly to

A) bird calls. B) pure tones. C) monkey calls. D) the location of sounds. E) pitch.