Which of the following statements support role of environment in the development of a child?

Options

A. Some students quickly process information while others in the same class do not
B. There has been a steady increase in students' average performance on IQ tests in last few decades
C. Correlation between IQs of identical twins raised in different homes is as high as 0.75
D. Physically fit children are often found to be morally good

Answer

B

Explanation

The steady increase in students average performance on IQ tests in last few decades shows that the students. environment (home and school) has been improved and played a significant role in the development of children.