The greatest correlation between the IQ scores of relatives would be observed between
a. identical twins reared apart.
b. fraternal twins reared together.
c. siblings close in age (within two years) reared together.
d. parents and their children.
A
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Mood swings during adolescence
A) are the direct result of changes in hormone levels. B) are no greater than those during childhood or adulthood. C) reflect both a larger number of unpredictable events and a greater vulnerability to them. D) are just as extreme in late adolescence as during puberty.
Due to proximodistal development, we can expect that children will
A) crawl proficiently before they are able to walk well. B) suck reflexively before they can choose whether to consume. C) recognize letters before they are able to write them. D) reach with their arms before they can grasp with their hands and fingers.