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


C

Psychology

You might also like to view...

Boris is feeling really stressed and calls a friend for some advice. This is an example of a(n) ____ coping strategy

a. ?behavioral b. ?physical c. ?cognitive d. ?emotional

Psychology

According to Eysenck's view of personality, an individual who was insensitive, cruel, and antisocial would score high in:

a. extroversion b. psychoticism c. neuroticism d. domination

Psychology

Ernesto knows more than 100 words, which he uses one word at a time. He is probably __________ old

a. six to eight weeks b. seven months c. one year d. 18 months to two years

Psychology

According to the article A Family Affair about working mothers, Bronfenbrenner's third proposition can also be called:

(a) teaching (b) practice (c) involvement of others (d) involvement of other settings

Psychology