In the example mentioned in the text of relaxation training for autistic children, the operational definition for the independent variable was
A) the children's scores on an autism inventory.
B) the set of explicit relaxation procedures followed by the researcher.
C) the measurement of parameters of relaxation.
D) the level of disruptive behavior prior to the manipulation.
Answer: B
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Which of the following is true of an informal economy?
A. It is an organized body of laborers who exert much influence over policy-making or in mobilizing voters. B. It reduces incentives for politicians to attempt to explicitly mobilize oil workers. C. It includes unprotected workers who are not monitored or taxed by the government. D. It emphasizes the potent role that class struggles in an informal economy play when it comes to bringing enduring political change. E. It has reduced significantly in size owing to the relatively low rate of urbanization in Nigeria when compared to other African nations.
What does the miracle of aggregation compensate for?
a. the uncertainty of response rates b. the uncertainty of participation rates c. low levels of information among politicians d. low levels of information among the mass public e. low levels of information among opinion leaders