Kinship and adoptee studies show that intelligence is
a. influenced mainly by environmental factors.
b. influenced only by environmental factors.
c. determined in large part by heredity.
d. determined only by heredity.
Answer: C
Kinship and adoptee studies show that intelligence is
a. influenced mainly by environmental factors.
b. influenced only by environmental factors.
c. determined in large part by heredity.
d. determined only by heredity.
Answer: C