The U.S. celebrated the first Earth Day in __________.
A) 1890
B) 1930
C) 1970
D) 1990
C) 1970
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According to government reports, about what percentage of convicted jail inmates were under the influence of alcohol when they committed their crimes?
a. 12 percent b. 33 percent c. 61 percent d. 90 percent
Email's _________nature allows users to carry on conversations at different times and at their leisure
a. sympathetic b. asympathetic c. synchronous d. asynchronous e. both b and c
___________ The dissolution of the legal ties that bind a married couple; socially it consti-tutes the recognition that the marriage is over
What will be an ideal response?
Suppose that a researcher wants to know if a new flu drug affects people, either by making them better or worse. Would this be a one-tailed or two-tailed test and why?
A) One-tailed because only one issue is discussed—the drug B) One-tailed because there is only one interaction, which is between the flu and the drug C) Two-tailed because there are two variables—whether or not people take the drug and how their flu is affected D) Two-tailed because there is no predicted direction of the effect of the drug