Which of the following statements about university laboratory schools for children is true?
A) Because teaching is their mission, it is very difficult to gain access for research purposes.
B) Although it is frequently easy to gain access for research purposes, the researcher should
ensure that the demographics of the school, or their sample, are representative of the
population.
C) Because it is on university property, it is unlikely these children have been exposed to
many research studies.
D) They are frequently more difficult to access than public schools located off-campus.
B
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The still-face reaction
A) occurs when communication is between an infant and a still-faced doll. B) does not occur in nonindustrialized countries. C) occurs only when natural human communication is disrupted. D) is a learned response to a caregiver's ambiguous communication.
Leo has been keeping records of how many times per week he gets eight hours sleep. He wants to graph this, so he should place the weeks on:
a. the vertical axis. b. the horizontal axis. c. either, depending on circumstances. d. neither.