criteria evaluation

How Is Data Quality Assessed in Epidemiological Studies?

The quality of data in epidemiological studies is critical for accurate evaluation. Key aspects include:
Validity: Are the measurements and findings accurate?
Reliability: Are the results consistent when repeated?
Bias: Are there systematic errors that might skew the results?
Confounding: Are there external factors that might influence the association?
Generalizability: Can the findings be applied to other populations?

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