The increased power of within-subjects designs may allow you to use fewer subjects than you would otherwise need.
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Q85: Multiple control groups are only necessary when
Q86: Matching is just as easy with multigroup
Q87: In within-subjects designs, subjects are exposed to
Q88: All other things being equal, the between-subjects
Q89: Error variance is eliminated in within-subjects designs.
Q91: Carryover effects threaten the internal validity of
Q92: Carryover effects due to fatigue can be
Q93: Counterbalancing eliminates carryover effects.
Q94: Complete counterbalanced designs deal with carryover effects
Q95: N is the number of treatments required
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