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p-hacking
noun
The practice of reanalysis of data until a desired result is obtained which is statistically significant
Exact(20)
While it appears impressive on paper to report accuracies ranging upwards of 90percentthereere is debate about the over-inflation of these values through cherry-picking "successful" data in a process called p-hacking.
Each of these practices is problematic, and Oliver himself hits on one of the key questionable research practices: p-hacking.
Such practices would provide valuable information to researchers and discourage p-hacking.
Simonsohn and colleagues [ 22] recently termed the practice of selective analysis and reporting (researcher degrees of freedom) ' p-hacking', which is distinct from traditional publication bias (where non-significant results are less likely to be published) because p-hacking is a suite of potentially deliberate acts that bolster a researcher's chance of finding significant p values.
We recently reviewed initiatives in medical and social sciences to encourage replication and to discourage selective reporting such as publication bias and p-hacking; the former and the latter are intertwined as selective reporting influences reproducibility of research [ 26].
In sum, eight of the nine statistical tests we have applied to our database support the conclusion that its overall statistical significance has not been compromised by either selection bias or by p-hacking.
Similar(40)
P Hacking has become immensely popular among American teenagers.
There is a Ping Hack you can perform in Windows XP.
That will dissuade researchers from trying new ways of analyzing their data to get a more interesting result, or "P-value hacking, where people sort of shop around for a statistical test to give them the P value that they love," said NIH Director Francis Collins in a call with reporters.
Hacking (1983, p. 201; see also Hacking 1985, pp. 146 147) gives the example of dense bodies in red blood platelets that can be detected using different forms of microscopy.
But in all these cases it is clear that the observations preceded any formulation of theory" (Hacking 1983, p. 156).
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