4 ms·
“the misuse of data analysis to find patterns in data that can be presented as statistically significant when in fact there is no real underlying effect. This i
by danielvf 8y ago
“the misuse of data analysis to find patterns in data that can be presented as statistically significant when in fact there is no real underlying effect. This is done by performing many statistical tests on the data and only paying attention to those that come back with significant results, instead of stating a single hypothesis about an underlying effect before the analysis and then conducting a single test for it.“
https://en.m.wikipedia.org/wiki/Data_dredging https://en.m.wikipedia.org/wiki/Data_dredging
And here’s a great example of real life P-Hacking to get a catchy article about the health benefits of chocolate:
https://io9.gizmodo.com/i-fooled-millions-into-thinking-chocolate-helps-weight-1707251800 https://io9.gizmodo.com/i-fooled-millions-into-thinking-choc...
- vitus 8y agoFiveThirtyEight actually has a pretty good demo of p-hacking that demonstrates how one underlying dataset can be used to derive any desired conclusion(s) by deciding which factors to include / exclude. https://projects.fivethirtyeight.com/p-hacking/ https://projects.fivethirtyeight.com/p-hacking/
- cryptonector 8y agoTorturing the data until it sings.