Unlike pretest-posttest designs, repeated-measures designs do NOT include a:

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Repeated-measures designs do not require a baseline measurement because multiple measurements are taken within the same subject over time. A pretest or baseline measurement is typically included in a pretest-posttest design to establish the starting point for comparison with the posttest measurement. Case studies, sensitization effects, and instrumentation can be present in both types of designs.

Unlike Pretest-Posttest Designs, Repeated-Measures Designs Do NOT Include A