term1 Definition1term2 Definition2term3 Definition3
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Define Bias
Systematic error in design or conduct of study that leads to incorrectestimate of association
Sourcesof Error inEpidemiological Research
Sources of Bias
Sources:
•Can be caused byinvestigator or study participants during designorconduct ofstudy•Can occurin experimental, cohort,case-control, cross-sectional and ecological studies
•Notinherent characteristic of the study population
•Fewstudieshave nobias or errors
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