In a 2 x 2 factorial design, if the 10 research subjects participate in all four conditions, the design could be labeled as a(n)
a. all independent groups design.
b. mixed design.
c. all dependent groups design.
d. none of the above
c
Psychology
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Which of the following is the most recent conclusion concerning the role of stomach contractions in signaling hunger? They:
a. have no influence. b. play a minor role. c. play a major role. d. cannot be studied because of lack of technology.
Psychology
Which neurotransmitter is not implicated in the development of mood disorders?
a) serotonin b) endorphins c) dopamine d) norepinephrine
Psychology