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Line 1: A '''Data Clarification Form''' or DCF is a questionnaire specifically used in [[Clinical trial\|clinical research]]. The DCF is the primary data clarification tool from the trial sponsor or ~~CRO~~Contract ~~site~~Research Organization (CRO) towards the investigator to clarify discrepancies and ask the investigator for clarification. The DCF is part of the data validation process in a clinical trial. In clinical trials, the data validation step and asking the investigator for clarification of discrepancies is an important step towards creating a clean dataset suitable for statistical analysis of the clinical trial outcome.

Data clarification form: Difference between revisions