Galen added to Hippocrates' four personality types the idea that
a. there were two additional types.
b. the personality types could be combined.
c. the personality types could not be combined.
d. each type reflects an excess of some bodily fluid.
D
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The subdivision of the peripheral nervous system that consists of nerves that control all of the involuntary functions in the body is called the ________ nervous system
a) somatic b) autonomic c) sympathetic d) parasympathetic
A researcher is testing whether caffeine makes people more talkative. Some of his study participants are given regular coffee to drink and some are given warm milk
His assistant then interviews the participants and counts the number of words each speaks during the interview. What seems to be missing from the design? a. a hypothesis b. a placebo control c. a dependent variable d. an independent variable