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Kind: captions Language: en [Music] if you assume that there's a process that is completely random and you find that it's pretty unlikely to get your data then you might be suspicious that something is happening you might conclude in fact that it's not a random process that this is interesting to look at what else might be going on and it passes some kind of sniff test [Music] statistically significant now this is a terrible word it could be quite insignificant you could be detecting a very very very small effect but it would be called in the mathematical lingo significant [Music] P hacking is when researchers consciously or unconsciously guide their data analysis to get the results that they want instant 0.05 is kind of the the bar for being able to publish and cause something real and get all your grant money it's usually guiding the results so that you arrive at that P of 0.05 the p-value was always meant to be a detective not a judge if you do an experiment and find a result that is statistically significant that is telling you that is an interesting place to look and research and understand further what's going on not don't study this anymore because the matter is settled [Music]
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