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Essay Quiz
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1

Briefly describe the between-subjects, within-subjects, and single-subject approaches to experimental design.
2

Discuss how inferential statistics assess the reliability of a difference between the group mean in a randomized two-groups experiment.
3

Describe what steps you would take to deal with the problem of error variance in a between-subjects design.
4

Why is it preferable to use a multigroup design rather than several two-group designs?
5

Describe the logic behind the matched groups design, and indicate when such a design would be used.
6

List and describe the major advantages and disadvantages of the within-subjects design.
7

List and describe the six sources of carryover effects.
8

What techniques are available to handle carryover effects? Under what conditions will they work the best or not work well?
9

Identify several possible sources of confounding in between-subjects designs and describe how to avoid them.







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