Marcelia has been promoted and is moving her family to a new city in a different part of the country. Though four-year-old Fernando is very happy and makes the transition easily, 12-year-old Jorge is unhappy and has a very difficulttime adjusting to the move. Both children generally adapt well to change. Which single set of factors best explains thedifferent responses of Fernando and Jorge to the move?
a. Biological factors
b. Sociocultural factors
c. Personality factors
d. Life-cycle factors