A researcher wants to develop a measure of test anxiety with high internal consistency reliability. It would be best for her to have the measure consist of
A) one item.
B) ten items.
C) twenty items.
D) Item number is not important to internal consistency reliability.
Answer: C
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A referendum takes place when
A. the Congress rejects a law passed by a state legislature. B. the U.S. Supreme Court rejects a law because it violates the U.S. Constitution. C. the president refers his or her budget plan to the Congress before the start of a fiscal year. D. a state legislature refers an act of legislation to the voters for approval or disapproval. E. voters choose the candidates who will represent their political party.
What is the environmental problem caused by the release of chlorinated fluorocarbons (CFCs) into the air from items such as refrigeration units and aerosol cans?
A. depletion of the ozone layer B. rapid increase in greenhouse gases C. deforestation D. earthquakes