For a treatment to be deemed effective when used in the context of an A-B single-case design, what has to occur?
a. Behavior should change as the treatment is implemented
b. Behavior should return to baseline levels when the treatment is removed
c. When the treatment is removed, behavior should stay at the level that was created by the treatment rather than revert back to the baseline
d. The line representing the A phase should intersect with the line representing the B phase
Ans: a
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Larry approaches his investments with focus, not allowing other things to distract him. He thinks carefully and slowly about where he should invest his money. His cognitive approach to this task is both accurate and conservative. What psychological disorder may actually facilitate this type of reasoning?
a. post-traumatic stress disorder b. major depressive disorder c. phobia d. bipolar disorder
Under which circumstance(s) should you avoid using analysis of covariance?
A. If you need to control for all extraneous variables on which the groups may differ. B. If you have identified variables that have not been controlled for. C. If you have controlled for all possible variables. D. If you need to reduce unexplained variance.
The Mann–Whitney test should be used with?
A. Independent samples B. Related samples C. Neither D. Both
Ethnicity is referred to as
A. knowledge and understanding about the other races, ethnic groups, cultures, and minority groups. B. shared national origins or cultural patterns. C. traditionally, biologically determined physical characteristics that set one group apart from others. D. the learned behaviors, beliefs, and attitudes that are characteristic of an individual society or population, and the products that people create.