Data clarification form: Difference between revisions

Revision as of 15:18, 29 September 2006

Revision as of 10:17, 30 September 2006

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A '''Data Clarification Form''' (DCF) or DCFData Query Form (DQF) is a questionnaire specifically used in [[Clinical trial|clinical research]]. The DCF is the primary data clarification tool from the trial sponsor or Contract 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 [[Statistics|statistical]] analysis of the clinical trial outcome.