bias, clinical trial
- Guideline or reference source
- ICHE9 Statistical principles for clinical trials
- Definition
- The systematic tendency of any factors associated with the design, conduct, analysis and evaluation of the results of a clinical trial to make the estimate of a treatment effect deviate from its true value. Bias introduced through deviations in conduct is referred to as 'operational' bias. Other sources of bias are referred to as 'statistical'.
- Related Term
- bias
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