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Data dredging
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=== Post-hoc data replacement === If data is removed ''after'' some data analysis is already done on it, such as on the pretext of "removing outliers", then it would increase the false positive rate. Replacing "outliers" by replacement data increases the false positive rate further.<ref name=":0">{{Cite journal |last=Szucs |first=Denes |date=2016-09-22 |title=A Tutorial on Hunting Statistical Significance by Chasing N |journal=Frontiers in Psychology |language=English |volume=7 |doi=10.3389/fpsyg.2016.01444 |doi-access=free |pmid=27713723 |issn=1664-1078|pmc=5031612 }}</ref>
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