A Longitudinal Study of Children in Kauai Found That Difficult

A longitudinal study of children in Kauai found that difficult births,illness at the time of birth,and low birth weight

A) had much less effect than children's environment on their development.
B) resulted in serious adverse effects-physical,cognitive,and emotional-on most of the children in the study,even into adulthood.
C) had no long-lasting physical effects but were strongly correlated with poor grades and emotional problems during childhood.
D) were not correlated with cognitive or emotional problems during childhood but almost always left permanent physical damage.