DrCampos Is Studying Variations of Intelligence Among Children Living in a Very

Multiple Choice

Dr.Campos is studying variations of intelligence among children living in a very affluent community,in which most parents are college-educated and schools are highly ranked.It is likely that using this relatively homogeneous group of participants will distort Dr.Campos' results by 

A) exaggerating genetic influences on intelligence. 
B)  causing her to underestimate genetic influences on intelligence.​ 
C)  exaggerating environmental influences on intelligence.​ 
D)  exaggerating individual differences in intelligence.​