In the field of genealogy, the conclusion to a research question is considered proven when it meets the Genealogical Proof Standard (GPS). The GPS consists of five interdependent elements, each of which plays a role in ensuring a conclusion is credible:
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- Reasonably exhaustive research
- Complete and accurate source citations for each information item
- Analysis and correlation of sources, information items, and evidence
- Resolution of conflicts among evidence
- A sound, coherent, written conclusion 
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