Werner and Smith Followed a Cohort of Hawaiian Children Who

Werner and Smith followed a cohort of Hawaiian children who had suffered complications at birth.What did they conclude after their assessment of the intellectual performance of this cohort at 10 and 18 years of age?

A) Adequacy of postnatal environment was more predictive of intellectual functioning than perinatal complications.
B) Perinatal complications were more predictive of intellectual functioning than was the postnatal environment.
C) Long-term negative effects on intellectual functioning were universal, regardless of postnatal environment.
D) Environmental adequacy and perinatal complications contributed about equally in predicting intellectual performance.