Which of the following is the main treatment for Parkinson in the earlier stages?
A. Acetylcholine
B. L-dopa
C. Cholinerase inhibitors
D. Dopamine agonists
Answer: D
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In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5 . Approximately what percentage of students have scores between 75 and 85?
a. 68% b. 80% c. 95% d. 99%
Polarization theory makes predictions opposite that of risky shift theory when
a. the average of members’ prediscussion judgments is close to the cautious pole. b. diffusion of responsibility is controlled. c. diffusion of responsibility is not controlled. d. the average of members’ prediscussion judgments falls at the midpoint of the continuum. e. the average of members’ prediscussion judgments is close to the risky pole.
Sixty-six-year old Carl applies for a job as the head of the maintenance department at a local factory. Because he has nearly 50 years experience, Carl feels that he is a serious contender for the job. However, he soon finds out from an inside source that he is not in the running for the job because of his age. Carl is the victim of ____.
A. ageism B. elderism C. maturism D. generism
A researcher manipulated the intensity of light in increments of five lumens and asked participants if the light was present or absent. The study found that two particular participants had the same _____ threshold for perceiving the light. Had the investigators manipulated the light in units of one lumen, a difference would have been found between the individuals. The study was lacking the _____
to detect this difference. A) absolute; significance B) difference; validity C) absolute; power D) difference; reliability