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Psychology
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The Psychologist
Quiz 7: Conducting a Good Experiment Ii: Final Considerations, Unanticipated Influences, and Cross-Cultural Issues
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Question 81
Essay
Describe several factors that produce a response bias on the part of research participants (yea-saying, nay-saying, response sets).
Question 82
Essay
What does it mean to use "availability" in choosing participants? What are the advantages and disadvantages to using availability in choosing participants?
Question 83
Short Answer
What is a single-blind experiment and what is it used for?
Question 84
Essay
What are experimenter expectancies and how do they affect a research project? Should experimenter expectancies be categorized as nuisance variables or extraneous variables? Explain.
Question 85
Essay
Explain how the experimenter can be an extraneous variable (e.g., experimenter characteristics and experimenter expectancies). What are some ways to control experimenter effects?
Question 86
Short Answer
The greater the within-group variability, the greater the number of participants the researcher will need. Explain why this is so.
Question 87
Essay
Explain how physiological and psychological characteristics of the experimenter can affect a research project. Why might these characteristics be problematic even if the researcher achieves constancy?
Question 88
Essay
Explain the concept of power and how to increase power.
Question 89
Essay
Describe two ways in which researchers control demand characteristics.
Question 90
Short Answer
Describe several techniques to control participant effects.
Question 91
Essay
Describe some common procedures for controlling experimenter expectancies.
Question 92
Essay
Describe the Rosenthal and Jacobson (1968) study involving the IQ scores of grade-school children. How does this study illustrate experimenter expectancies?
Question 93
Essay
Describe several aspects of the participants' perception of the research project that can act as extraneous or nuisance variables.
Question 94
Essay
Give some examples of apparatuses appropriate for IV presentation and DV recording. What are some potential drawbacks to using expensive or elaborate equipment?