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An educational psychologist suspects that taking notes by hand improves test scores more than typing them. To test this, they randomly assign students to either write or type notes during a specific lecture, and then administer an identical quiz to all students exactly one day later. By organizing how the evidence is collected to evaluate their idea against objective data, rather than relying on casual observation, the psychologist is directly applying the principle of ____.

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Updated 2026-06-07

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Research Methods in Psychology - 4th American Edition @ KPU

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