Based on your understanding of scores on the Sensation-Seeking Scale and the enzyme MAO, which correlation coefficient would describe the relation between scores on this scale and levels of this enzyme in the general population?

Most of the points in a scatterplot would fit close to a line running from the lower left to the upper right-hand corner. Which correlation coefficient would most likely describe the relation between the two variables?

a) .00 b) +.20 c) +.75 d) -.90

Children who are able to accurately read emotions tend to have all of the following EXCEPT

A) the ability to know when others are frustrated. B) the ability to know how to make others happy. C) the ability to know when to console friends. D ) a very small group of friends.