If a researcher proposes that there is a difference in the hiring preferences between veterans and nonveterans, such a proposition represents the ________ hypothesis. If the researcher proposes that there is no difference in the hiring preferences between veterans and non-veterans, such a proposition represents the ________ hypothesis.
A. inferential; descriptive
B. descriptive; inferential
C. null; research
D. research; null
Answer: D
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A correlation of .6 was obtained from a particular sample. The two measures are then administered to a sample from a more homogeneous population. The expected correlation in this new sample will probably be
a. 0. b. less than .6. c. approximately .6. d. greater than .6.
A newspaper reporter wants to do a story on the controversy surrounding attention-deficit hyperactivity disorder. She wants to focus on the biggest controversy. Based upon your reading of this Module, what should be the focus in her story?
A. the side effects of treating it with changes in diet B. the diagnosis of the disorder C. the unwillingness of insurance companies to pay for treatment D. the use of stimulants like Ritalin or Adderall
Researchers Chi and Koeske (1983) studied a child’s knowledge of dinosaurs. They found the child interested in dinosaurs performed
a. better on all memory tests than children who did not study dinosaurs b. better on standard memory tests when questions used less familiar dinosaur names c. better on standard memory tests when questions used familiar dinosaur names d. better on all memory tests than children who did not study dinosaurs
Secondary prevention involves:
a. educating the public as a whole in ways to reduce or eliminate a problem, before it starts b. handling and containing an illness or habit once it has been acquired c. conducting laboratory research into the etiology of specific psychological disorders d. the early identification of risk factors for specific populations