In a study on the effects of the amount of sleep on driving performance, researchers predict that those in the group that is allowed more sleep will exhibit better driving performance. The researchers are using _____
a. a two-tailed hypothesis
b. a directional hypothesis
c. a one-tailed hypothesis
d. both directional and one-tailed hypotheses
d
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What was the greatest problem that emerged when a classification system for childhood disorders was being developed?
A. The same classification system that had been developed for adults was used for children. B. Few childhood disorders had been identified. C. The role of parents in the development of disordered behavior was overemphasized. D. There was a hesitancy to identify childhood disorders because parents were likely to be blamed for any diagnosis given.
What was Brittany Maynard's terminal diagnosis?
a. Alzheimer's disease b. lung cancer c. brain cancer d. Lou Gehrig's disease
A ________ is a visual representation of the occurrence of a behavior over time
Fill in the blank(s) with correct word
Which type of research is most likely to have problems with generalizability?
A. experiment B. survey C. archival study D. case study