If in the withdrawal phase of an A-B-A experiment the behavior reverts to the original baseline levels, then

a. the treatment did not work since its effects were not permanent.
b. the treatment has only a transient effect.
c. the behavioral changes were the result of history or maturation.
d. history can be ruled out as rival hypotheses.

D

Political Science

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James is conducting a study on the type of leadership style (i.e., democratic or autocratic) a person has and the influence that style has on employee satisfaction

He plans on measuring satisfaction using a 10 question survey where participants respond on a 5-point scale. How many levels of the independent variable were there in this study? a. 2 b. 1 c. 5 d. 10

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By 2019, the population of the United States reached about

A. 230 million. B. 353 million. C. 281 million. D. 134 million. E. 330 million.

Political Science