The researcher compares the scores from the pretest and the posttest, looking for a change based on the treatment or condition occurring in time between the two measurements.

Question

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This is a common method used in research to evaluate the effectiveness of a treatment or intervention. By comparing the scores before and after the treatment, researchers can determine whether the intervention had a significant impact on the outcome being measured.

The Researcher Compares the Scores from the Pretest and the Posttest