A recent study of the long-term effectiveness of antipsychotic drugs found that
A. atypicals are much more effective than the conventional drugs.
B. these drugs are very effective for over 90 percent of schizophrenic patients.
C. there is tolerance to the beneficial effects and doses must be increased after six weeks.
D. three-fourths of the patients stopped taking their medication within 18 months.
D
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A certain weak stimulus produces no reflexive response, but a rapid repetition of that stimulus may produce such a response. What is this phenomenon called?
a. spatial summation b. temporal summation c. saltatory conduction d. synaptic combination
To determine whether a new drug decreases self-injurious behavior, the researcher measures self-injurious behavior while giving a subject the drug on even numbered days and giving a placebo on odd numbered days for two weeks. This is an example of a(n) ____________________ design
a. multiple baseline across settings b. changing criterion c. multiple baseline across behaviors d. alternating treatments
The average time from the onset of a mental disorder to receiving treatment for it is:
A) about 3 months. B) about 1 year. C) about 3 years. D) over a decade.
Chris wants to calculate a z-score for his own height. The average height in the class is 66 inches, and Chris's height is 62 inches. Chris calculated his z-score to be +1.5 . What's wrong with his calculation?
a. The z-score is an inappropriate calculation here. b. The z-score should be a higher number. c. He didn't have the standard deviation. d. The z-score should be a negative number.