Review Questions
What is the difference between straightforward and staged manipulations of an independent variable?
What are the three general types of dependent variables?
What is meant by the sensitivity of a dependent measure? What are ceiling effects and floor effects?
What are demand characteristics? Describe ways to minimize demand characteristics.
What is the reason for having a placebo group?
What are experimenter expectancy effects? What are some solutions to the experimenter bias problem?
What is a pilot study?
What is a manipulation check? How does it help the researcher interpret the results of an experiment?
Describe the value of a debriefing following the study.
What does a researcher do with the findings after completing a research project?
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