Red-green color blind individuals do not have a severe difficulty with traffic lights because

a. the red light is always on top and the green light is brighter than the red.
b. the "red" traffic signals have blue light mixed in with the red.
c. the "green" light is really yellow­green.
d. all of these are utilized.

ANSWER: a

Psychology

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Nature refers to the ________ forces that govern development

Fill in the blank with the appropriate word.

Psychology

Annie was an American woman giving birth in the year 1902. We can expect that

A) her friends and family were with her. B) she gave birth in a hospital. C) she received anesthesia or some other medication. D) ALL of the above were likely to have occurred.

Psychology