Expressed as a percentage, __________ refers to the number of active cases in a population during any given period of time.
A. prevalence
B. point prevalence
C. point incidence
D. incidence
Answer: A
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In the treatment of social phobia, in vivo exposure means that the patient:
A. is given antidepressant drugs B. is told to confront the feared situation with no advance preparation C. watches the therapist model behaviors without the patient having to engage in them D. is exposed to the feared situation
Addictive drugs do all of the following EXCEPT
a. cause the neurotransmitter acetylcholine to be released, resulting in intensified feelings of fear and paranoia. b. fool brain-reward pathways creating a compulsion to repeat the drug experience. c. stimulate a brain region called the nucleus accumbens. d. physically change the brain's reward circuitry, making it harder for the person to overcome his or her addiction.
When performing a meta-analysis, Dr. Ford
a. can be sure that the central variable was defined identically in each study. b. cannot be sure that the central variable was defined identically in each study. c. can perform adequate computations from select studies in that particular area. d. does not need to transcribe the original sets of statistical figures.
Sixteen-month-old Grayson uses the word “puppy” only to refer to his family’s dog. This is an example of __________
A) overextension B) underextension C) infant-directed speech D) referential style