Given two theories that are equally consistent with observations about the world, the _____ theory is preferred, illustrating the principle of _____.
A) simpler; parsimony
B) more complex; parsimony
C) simpler; falsifiability
D) more complex; falsifiability
A) simpler; parsimony
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A need is
a. another word for instinct. b. a state of deprivation or deficiency. c. a state of bodily tension. d. a learned desire. e. a reward that motivates.
Uri is walking home alone on a dark night. He hears a stick breaking and immediately turns to his right to see what made the noise. What cue did Uri most likely use to tell which direction the sound came from?
a. the timbre of the sound b. the slight time difference between when the sound reached each ear c. the overall loudness of the sound d. the frequency of the sound
If a new drug is developed that is a potent CB1 agonist, one would expect this drug to
a. produce a "high" similar to that of marijuana. b. repair memory in elderly dementia patients. c. erode the moral values of this country. d. suppress D2 receptors. e. produce conditioned aversion for the areas in which the drug is experienced.
As the proportion of people who get an item on a test correct increases, the measure of item difficulty
a. decreases. b. remains the same. c. increases. d. approaches chance.