The environmental hypothesis on the origin of IQ is most directly tested by studies that look at
a. stereotype threats endured by high-income Caucasians.
b. cross-ethnic adoptions.
c. genotype qualities of the cells.
d. food or healthcare provided by parents to children.
B
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In terms of motor development in middle childhood, children develop increases in balance, strength, and:
a. flexibility. c. confidence. b. coordination. d. interest in sports.
Which of the following types of physical activation have been found to occur during REM sleep?
A) The muscles of the middle ear become active. B) The salivary glands in the mouth become active. C) The Raffini corpuscles in the nose become active. D) The ciliary muscles of the lungs become active.
Most boys between the ages of eight and 12 years spend approximately how much time playing video games each day?
A) about four hours per day B) less than one hour per day C) more than five hours per day D) about two hours per day
Regarding moral development, which of the following statements is/are TRUE?
a. Moral development starts in adolescence and ends during middle adulthood. b. Moral development comes into sharper focus as abstract thinking decreases. c. Moral development encompasses the values and beliefs that guide responsible behavior. d. Moral development is characterized by all of these.