Anything that can be measured and observed to vary is called
a. a constant
b. a variable
c. an integer
d. all of these
b
Psychology
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Restriction of productivity has been a problem with wage incentive plans.
a. true b. false
Psychology
Why is it so difficult for many toxins and poisons to penetrate the blood-brain barrier?
a. Because the human immune system has killer t-cells that attack such foreign agents. b. Because those agents are too large to get out of the human blood stream. c. Because the presence of such invaders triggers a fever, which kills them. d. Because those agents are not soluble in fat.
Psychology