Grades of Evidence

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kins4400 exam 1

Last updated 7:06 PM on 9/10/26
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8 Terms

1
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consensus of topic experts based on a large body of evidence

grade A

2
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meta-analysis of many high quality RCTS with consistent results

grade A

3
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2-3 well-done RCTs with positive outcome

grade A

4
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one high quality RCT

grade B

5
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high quality correlational studies (prospective cohort / cross sectional)

grade C

6
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larger correlational studies that span the country or involve multiple countries

grade C

7
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expert opinion with no direct research evidence

grade F

8
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low quality studies with poor research design / small samples / flawed outcome measures / other biases

grade D