Which statement concerning heritability is true?
a. Heritability explains more of the variation in IQ among children from poor families.
b. Heritability is a fixed quality.
c. Heritability differs by socioeconomic status but not by age.
d. Heritability estimates differ by environment.
d
Psychology
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In experiments, scientists manipulate __________ variables and measure __________
variables. Fill in the blanks with correct word
Psychology
__________ and __________ play vital roles in improved motor performance
A) Body growth; more efficient information processing B) Environmental factors; increases in brain function C) Increases in muscle control; parental encouragement D) Heredity; opportunities for athletic training
Psychology