Author Question: On the basis of twin studies and other kinship evidence, researchers estimate that about __________ ... (Read 98 times)

geodog55 · **on:** Jun 22, 2018

On the basis of twin studies and other kinship evidence, researchers estimate that about __________ of the differences in IQ among children can be traced to their genetic makeup.

A) a quarter
B) a third
C) half
D) two-thirds

Question 2

Psychologist Arthur Jensen claimed that __________.

A) test bias largely accounts for ethnic variations in intelligence
B) heredity is largely responsible for individual, ethnic, and SES variations in intelligence
C) the environment is largely responsible for individual, ethnic, and SES variations in intelligence
D) there are no significant individual, ethnic, or SES variations in intelligence