Dr. Yung tests a new anti-malaria drug in an Asian population and concludes that he cannot reject the null hypothesis, and must conclude he does not have sufficient evidence to conclude that the drug works. In reality, the drug does work. Dr. Yung has committed a error.
a. Type II (false negative)
b. Type I (false positive)
c. logical
d. statistical
Ans: a. Type II (false negative)
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Which question can be addressed with a descriptive strategy? a. What is the average number of text messages that a typical adolescent sends in a month?
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Which of the following is overtaking smoking as the major cause of needless deaths?
a. alcoholism b. obesity c. sexually-transmitted diseases d. car accidents
After being in a dark room for a while, you can see much better than you could when you walked in. This is known as
a. desensitization. c. virtual stabilization. b. sensitization. d. motion imaging.
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