A group of medical practitioners are studying the effects of a drug on patients. They administered the drug to one group, and withheld the intervention / treatment from the other. They determined who was in which group based on a random number generator. This is known as:
A. Random assignment
B. Chance assignment
C. Unsystematic selection
D. Indiscriminate selection
A. Random assignment
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Which is an accurate statement about drones?
A. Drones were never used in combat until after the September 11 terrorist attacks. B. Only the United States and Russia have used drones for attacks. C. Drones are produced by China and sold to other countries in the global market. D. Drones have dramatically decreased the cost of military operations around the world.
The number of state government employees in Texas
a. has been increasing steadily since the 1980s. b. has changed little since the 1960s. c. has grown at about the same rate as the overall population since the 1970s. d. declined in the 1990s but has grown rapidly in the twenty-first century. e. has declined dramatically as computers have replaced employees.
The "rejuvenation" of state and local government in recent years, has sometimes come at the cost of citizen involvement in the political process
Indicate whether this statement is true or false.
The federal government has been providing Americans personal health care since __________
a. 1798 b. 1860 c. 1933 d. 2012