In a single-case experiment that is essentially an interrupted time series, the ability to determine that the treatment has an effect
a. requires that the participant understand that his or her behavior must change.
b. requires that the experimenter must be able to predict what the behavior would have been without the treatment.
c. requires that the mean of the pretreatment session be significantly lower than the mean of the posttreatment session.
d. requires that the mean of all pretreatment sessions be significantly higher than the mean of all of the posttreatment sessions.
B
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What was Ronald Reagan's Strategic Defense Initiative envisioned to accomplish?
a. protect the United States from nuclear weapons b. promote democracy by fostering economic development c. reduce the number of nuclear warheads held by both the United States and the Soviet Union d. refocus the military on nonconventional warfare
When the Fourteenth Amendment to the U.S. Constitution was passed, it promised a. voting rights for men
b. equal protection under the law. c. voting rights for women. d. equal access to polling places.