The function of the amnion is to
a. connect the placenta to the developing fetus.
b. provide a cushion of protection for the developing embryo.
c. provide nutrients and oxygen to the developing embryo.
d. remove waste products from the developing fetus.
b
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A researcher is going to do a longitudinal study of cognitive development in elementary school-age children. What problems is this researcher going to have that could be avoided if she were to do a cross-sectional study instead?
What will be an ideal response?
Researchers typically try to ____
a. increase the differences between treatments and decrease the variance within treatments b. decrease the differences between treatments and increase the variance within treatments c. increase the differences between treatments and increase the variance within treatments d. decrease the differences between treatments and decrease the variance within treatments
Which of the following is NOT a type of prospective memory task?
a. knowledge-based tasks c. habitual tasks b. event-based tasks d. time-based tasks
During the Middle Ages, large-scale outbreaks of large groups of people simultaneously compelled to run out in the streets while engaged in bizarre behavior was known at that time as:
A. a rave. B. tarantism. C. St. Michaels dance. D. Carnival.