counterbalancing | A control technique for distributing (balancing) practice effects across the conditions of a repeated measures design. How counterbalancing is accomplished depends on whether a complete or an incomplete repeated measures design is used.
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differential transfer | Potential problem in repeated measures designs when performance in one condition differs depending on which of two other conditions precedes it.
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practice effects | Changes that participants undergo with repeated testing. Practice effects are the summation of both positive (e.g., familiarity with a task) and negative (e.g., boredom) factors associated with repeated measurement.
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repeated measures designs | Research designs in which each subject participates in all conditions of the experiment (i.e., measurement is repeated on the same subject).
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