Heroin enters the brain faster than morphine, but once there it is converted to morphine and acts the same way at the same synapses
a. true
b. false
Answer: a. true
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How would you calculate the mode of a distribution of scores?
a. Add all scores and divide by the number of scores. b. Arrange all scores from lowest to highest and find the middle score. c. Order scores and see which score occurs most often. d. Use a z score to locate the center of the distribution.
In the United States, what is the average age of first marriage for men?
A. 24 B. 27 C. 29 D. 31
What is the primary function of the Institutional Review Board (IRB)?
A) To review the research of institutional staff to determine if it is scientifically sound. B) To make suggestions to principal investigators on how to improve study methods and design. C) To assist institutional staff in locating sources for grant support and grant writing. D) To ensure the protection of human research participants in institutional research.
The famous study of Phineas Gage, who survived when a metal rod pierced his skull, is an example of a
a. laboratory experiment. b. correlation. c. case study. d. survey.