A distribution contains the following scores: 1, 1, 2, 2, 2, 3, 3, 4, 4, 5. Its mode is:
A. 3.
B. 5.
C. 4.
D. 2.
Answer: D
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According to the classical conditioning theory of how drug tolerance develops, when a drug addict repeatedly takes a drug in the same environment, that environment triggers a(n):
a. unconditioned response in the user's body that strengthens the drug's effects b. conditioned response in the user's body that strengthens the drug's effects c. unconditioned response in the user's body that blocks the drug's effects d. conditioned response in the user's body that blocks the drug's effects
Which personality characteristic appears to be associated with breast cancer incidence?
In the one factor between groups design, in general, the alternative hypothesis states that _____
a. all group means will be different b. only one group mean will be different c. there will be a difference between group means d. no group means will be different
Empirical investigation is
a. a study that makes logical sense. b. the collection of objective information by means of careful measurements. c. based on random coding of data. d. biased by random procedures. e. always found to be accurate.