Which Statement Best Reflects the Concept of Reaction Range for Understanding

Multiple Choice

Which statement best reflects the concept of reaction range for understanding intellectual development

A)  Heredity is the major factor in determining an individual's intelligence, except in the case of brain damage. 
B)  Heredity may set certain limits on intelligence, and environmental factors determine where we fall within those limits. 
C)  Environment is the major factor for establishing an individual's range of knowledge. 
D)  The environment puts limits on the effects of heredity.