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Cards In This Set
| Front | Back |
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TEST HYPOTHESIS
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 1. differences in health outcome between those exposed or not exposed2. association between exposure and outcome |
 You get P-Values from: |
STATISTICAL TESTS
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NULL HYPOTHESIS
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 No difference or association in the population. Reject the Null. |
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ALTERNATIVE HYPOTHESIS
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 Yes there is a difference or association in the population. I fail to reject the null hypothesis. |
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SMALL P VALUES
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 Unlikely to be chance. It is a difference. Reject Ho |
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TYPE 1 ERROR |
P=0.05 = 5% chance difference/association is not real. FALSE |
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TYPE 11 ERROR
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 Missing a real difference/association by not have a sufficient sample size e.g. adequate power. |
