The Cumulative Psychological Effect of Experiencing Significantly Early or Significantly

The cumulative psychological effect of experiencing significantly early or significantly late puberty is related to

A) whether the individual's family members experienced similar timing of puberty.
B) whether the individual is capable of formal operational thought.
C) an individual's stage of moral development when the changes of puberty begin.
D) an individual's belief about the "right time" to go through puberty.