______ in itself is a measure of variability that we will use in some calculations of inferential statistics.
A. Standard distribution
B. Variability
C. Variance
D. Range
Answer: C
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The membrane of a neuron is composed of ____ with ____ embedded in them.
A. carbohydrates; purines B. phospholipids; proteins C. proteins; neurotransmitters D. benzene molecules; carbohydrates
In studies of classical conditioning in Aplysia, which of the following usually serves as the unconditioned stimulus?
A. touching the mantle B. touching the siphon C. the gill-withdrawal reflex D. electric shock to the tail
When do infants first exhibit a social smile?
a. at birth b. at the second or third month c. at the sixth or seventh month d. at a year
When it comes to social dilemmas,
a. an individual who adopts a cooperative strategy will always be more profitable than one who is selfish. b. the most beneficial course of action for an individual will, if chosen by most people, be harmful to all in the long run. c. one side always has to win, and one side always has to lose. d. laboratory studies cannot be useful in understanding the escalation and persistence of group conflicts.