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Social Studies, 26.05.2021 01:00 josiahsurfer

When researchers conducted experiments to test whether ginkgo biloba improves memory and mental alertness, they found in before-and-after comparisons that scores on mental ability tests rose for both the experimental and the control group. The conclusion was that this was likely the result of effects, because the participants' experience with the tests was the most likely reason that test scores improved in both groups.

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