p-hacking: What it is and how to avoid it!

p-hacking is the misuse and abuse of p-values and results in being fooled by false positives. Some forms of p-hacking are obvious, but other are much more subtle. In this video, we talk about two forms of p-hacking and how to avoid them.

NOTE: This StatQuest assumes that you are already familiar with p-values, if not check out:
p-values: What they are and how to interpret them:    • p-values: What they are and how to interpr...  
How to calculate p-values:    • How to calculate p-values  

Also, if you'd like to learn more about FDR, check out the 'Quest:    • False Discovery Rates, FDR, clearly explained  

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0:00 Awesome song and introduction
0:28 Simple example of p-hacking
2:21 p-hacking defined
2:38 Multiple testing problem explained
7:29 Using FDR to compensate for multiple testing
8:52 A subtle form of p-hacking
11:26 Power analysis to prevent p-hacking
12:12 Summary of concepts

#statquest #pvalue