Suzanne Is 12 and Her Younger Sister Ellen Is 10

Essay

Suzanne is 12 and her younger sister Ellen is 10, and the two girls are as different as night and day.Suzanne is impulsive, short-tempered, and generally hard to get along with, at least from her parents' point of view, although she is very popular with children of her own age.Ellen is typically quiet and pensive, much more interested in school studies than in school children, and generally reserved around other people.(a) How do each of the girls rate on the introversion/extroversion scale? (b) In terms of genetics, how might the girls be so different? (c) In terms of environment, how might the girls be so different?