The delivery of the placenta occurs in which stage of labor?
a. stage 1
b. stage 2
c. stage 3
d. stage 4
C
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If a researcher varies the loudness of music in a factory to observe its effect on the rate of productivity of the employees, the dependent variable is the
a. factory setting. b. rate of productivity. c. style of music being used. d. loudness of music being used.
Whose behavior would have the greatest NEGATIVE impact on a baby's brain development?
a. A mother who consumes one bottle of beer a day most days during the infant's embryonic period b. A mother who consumes five bottles of beer a day, several days a week during the infant's embryonic period c. A mother who consumes one bottle of beer a day most days during her seventh month of pregnancy d. A mother who consumes five bottles of beer a day, several days a week during her seventh month of pregnancy
If you were sitting alone in your dorm room, picking your nose, and a stranger entered the room, you would probably stop picking your nose due to which form of social influence?
a. compliance b. conformity c. mere presence d. indirect obedience
Which of the following statements is supported by research on categorical speech perception?
A) A preference for the overall sound pattern of one's native language to that of a different language emerges during the second half of the first year. B) Young infants are sensitive to a much wider range of speech categories than exists in their own language. C) At birth, infants organize speech into the phonemic categories of their own language. D) The emergence of categorical speech perception in the first few days after birth is largely due to adult interaction.