Margot daydreams about having a wide circle of friends whom she can socialize with on the weekends and whom she can connect with on a personal level. Margot currently doesn't have any friends, however, and feels isolated and, at times, depressed

Which of the following phenomena casts doubt on the

suggestion that undeveloped parts of the brain are solely responsible for the teenage proclivity to act in unreasonable and irrational manners? A) fMRI readings of impulsive teenagers have been found to be identical to fMRI results in non-impulsive teenagers. B) Twin studies have not found a high concordance of teenage acting out between monozygotic twins. C) Impulsive behaviors do not routinely appear in adolescents in non-Westernized countries. D) The use of medications designed to "calm down" impulsive teenagers has been generally ineffective across most research studies.

You are at a basketball game and the arena is packed; the crowd is evenly split between fans of the two teams

At one point, the referee makes a call. Half of the fans yell insults; the other half of the fans shout their approval. The event reminds you of the topic of today's lecture in psychology class. What was the likely topic of the lecture? a) bias b) experiments c) psychoanalysis d) extraneous variables