Why does the presence of oil in a country increase the likelihood of a civil war?
a. It can be used as a source of funding for rebel groups.
b. It often leads to international intervention.
c. It is often trafficked, and trafficking increases the likelihood of civil war.
d. The presence of oil is closely correlated with political instability.
a
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All of the following people are given preference for government employment EXCEPT ______.
a. females b. veterans c. teachers d. minorities
STUDY: A major airline wants to know if pilots make significantly more errors and more serious errors when they are under a particular stress (e.g., if their airplane is hijacked while in flight)
The airline also wants to know if pilots' years of experience is a factor. The following research is set up. A 767 flight simulator is used. All of the pilot's behavior is monitored, so that the number of errors made by the pilot can be easily read off the computer record. The seriousness of each error is judged later by master pilots using a 25-point scale (interval) of seriousness. The participants are jetliner pilots with experience ranging from 1 to 20 years of commercial piloting. The participants are randomly assigned to two conditions, and the years of experience are the same for both groups. All pilots simulate take-off from New York, a two-and-a-half hour flight at 32,000 feet cruising altitude, and a landing at Miami. The pilots are told that their job rating depends on how well they handle this simulated flight, and it is impressed on them that they are to do everything as if this were a real flight. In the experimental condition, two masked "passengers" break into the cockpit 45 minutes into the flight and, aiming guns at the pilots, demand to be taken to Miami for refueling, a payment of a million dollars, and then, flown to Cuba. They threaten to kill some of the passengers and then the pilots and themselves if anything goes wrong. The control group has no "hijacking" and proceeds to Miami without incident. What type of design is represented in the research described above? A) correlated-groups design B) independent-groups design C) nonparametric design D) Both B and C
The series of studies that showed many statistical tests to be robust to violations of assumptions on which they are based are known as
A) Reno studies. B) robust studies. C) violation studies. D) Monte Carlo studies.
What type of standing to sue permits a small number of people to sue on behalf of all other people in similar circumstances?
a. criminal b. statute c. class action d. justiciable