Which of the Following Best Summarizes the Results Obtained by Lamb

Which of the following best summarizes the results obtained by Lamb et al. (2002) in their study of developmental change and stability of personality throughout childhood?

A) Personality was moderately stable across intervals of a few years,and there was an increase in Agreeableness and Conscientiousness during the early school years.
B) Personality was moderately stable across intervals of a few years,and there was a decrease in Agreeableness and Conscientiousness during the early school years.
C) Personality was highly unstable across intervals of a few years,and there was an increase in Agreeableness and Conscientiousness during the early school years.
D) Personality was highly unstable across intervals of a few years,and there was a decrease in Agreeableness and Conscientiousness during the early school years.
E) Personality was highly unstable across intervals of a few years,and there was essentially no change in Agreeableness and Conscientiousness during the early school years.