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Experimental Research Design
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Experimental Research Design
Answers to Study Questions
9.1 What is a research design and what is its purpose?
Describe the research designs with . . .
9.2 What are the criteria that need to
What function is served by the control . . .
9.4 Why would you want to pretest . . .
9.5 Diagram a posttest-only research . . .
Explain why a simple randomized design
9.6 What is a factorial design and why
What are main and interaction effects . . .
Describe an interaction between . . .
What are the advantages and . . .
9.7 Describe a within-participants . . .
Describe a factorial design based on a . . .
List the advantages and disadvantages . . .
9.8 Describe the pretest-posttest . . .
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