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4 Cards in this Set
- Front
- Back
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Define: PUBLICATION BIAS |
Publication bias (or selective bias) typically manifests as the witholding of data from trials that don't support the theory. The only trials published are ones that support the theory. |
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What is meant by the phrase 'CORRELATION is not the same as CAUSALITY' |
It means that finding an association between two phenomena does not imply causality because a) it may be a chance association and b) there may be some other factor that causes these two phenomena to be associated |
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Define: CASE SERIES |
A case series is simply a descriptive report of several patients with the same outcome, without any actual interventions or randomised selection.
Note: This was the type of study in Wakefield's report. |
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Define: COHORT STUDY |
A cohort study is when a group of people are given a treatment and a group of people are not given a treatment, and then the groups are followed and the outcomes are compared. |
