Which of the following brain structures is MOST closely associated with the regulation of emotion?

The director of a youth orchestra reported that high school students who played in an orchestra obtained higher scores on college entrance tests than students who did not play in orchestras. Although the director's statement is correct,

as a psychological detective you have questions. What question would be most helpful in evaluating the implied claim? a) Does this effect differ with the musical instrument played? b) Do orchestra students have parents who are professional musicians? c) How many instruments does a student have to play for this effect to occur? d) Do students who play in the orchestra differ from the rest of the students in ways other than playing in an orchestra?

Daniel understands the difference between rows of two and three toy animals, regardless of the animals' spacing. This suggests that Daniel knows how to count. Further, contrary to Piaget, Daniel knows about

a. relationships. c. geocentricism. b. conservation. d. symbolic thought.