Whenever the F-ratio is near 1.00, it means that
A) a mistake has been made in the computation.
B) there are large systematic effects present.
C) the experimental manipulation probably had the predicted effects.
D) the between-groups variation is no larger than would be expected by chance alone.
Answer: D
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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.
What is the difference between a simple pretest-posttest design and an interrupted time-series design?
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An individual who possesses a liberal ideology is most likely to support
a. preserving traditional social values b. more government intervention in the economy. c. eliminating traditional social values. d. little government intervention in the economy.
Decisions about how much to invest in higher education relate to whether one views education as a private or public good. Those who view it as a private good believe that
A. most of the benefits of a college education accrue to an individual, and therefore the individual should bear most of the cost. B. there are societal benefits when residents obtain a college degree, and therefore the individual should bear more of the cost. C. most of the benefits of a college education accrue to an individual, and therefore the public should invest in higher education. D. there are societal benefits when residents obtain a college degree, and therefore the public should invest in higher education.