By what age will a child demonstrate tertiary circular reactions?
a. By 2-3 months
b. By 4-5 months
c. By 8-9 months
d. Not until 12-18 months
d
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According to recent research, which of the following statements is true regarding the relationship between marriage and health?
a. Being married definitely carries health benefits. b. Being divorced or single increases the likelihood of heart disease due to loneliness. c. Being married, in and of itself, does not produce a health benefit. d. Being married actually produces higher levels of stress and therefore is less beneficial to one's health.
Heritabilities are, on average, higher for behavioral disorders than for ______.
A. medical disorders B. mental characteristics C. psychological disorders D. behavioral traits
In language development, over inclusion of instances in a category is labeled _____
A) overregularization B) overanalyzing C) overarching D) overextension
The coiled bony structure that makes up the inner ear is called the
a. organ of Corti. c. cochlea. b. anvil. d. eardrum.