Identify a true statement about the heritability of intelligence.
A) Studies generally suggest that the heritability of intelligence is less than 20.
B) The intelligence quotient scores of dizygotic twins are more alike than scores for any other pairs.
C) Being reared together is related with similarities in intelligence quotient.
D) The correlations in intelligence between dizygotic twin pairs are lower than those between other siblings.
Question 2
According to drive reduction theory, an imbalance in homeostasis creates a(n) ____, to which the brain responds by creating a psychological state called a(n) ____.
a. drive; need
b. need; drive
c. instinct; motive
d. motive; instinct
true story
Results from sequential study of two cohorts tested at three ages and at three different points in t
The Normal Distribution of Scores for a Standardized Intelligence Test
Differing Perspectives on Intelligence
Infant monkey is shown with cloth mother from Harlow’s studies.
Heritability of several addictive behavioral disorders derived from twin studies