Which of the following BEST describes an outcome of using random assignment in experimental designs?
a. Random assignment guards against intersubject biases which may impact the measurement of the dependent variable.
b. Random assignment guards against experimenter effects because the research assistants are unaware of participants' group assignments.
c. Random assignment guards against selection biases because participants cannot self-select exposure to the treatment group.
d. Random assignment guards against demoralization of the control group.
Answer c
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In his speech, Keegan wants to signal what is coming and warn that what is about to be said is significant. What organizational technique should he use?
A. Incorporate definitions. B. Use concrete words. C. Plan for repetition. D. Use advance organizers.
In her analysis of function of complaining among students, Dr. Lin asked each of her informants if complaining functioned to create solidarity. In conducting ethnographic interviews to confirm (or disconfirm) her interpretation of complaining, she is doing what?
a. member checks b. unitizing c. negative case analysis d. triangulation
Campaigns differ from single shots of persuasion or from collections of persuasive messages delivered over time in several ways
Indicate whether the statement is true or false
Is the total number of households or persons exposed to a message in a particular medium at least once over a certain period
Fill in the blank(s) with the appropriate word(s).