Yes, p-hacking and related techniques do impact the validity of the results. More on that here: https://info.umkc.edu/drbanderson/p-hacking-and-the-problem-of-m

Yes, p-hacking and related techniques do impact the validity of the results. More on that here: https://info.umkc.edu/drbanderson/p-hacking-and-the-problem-of-multiple-comparisons/ https://info.umkc.edu/drbanderson/p-hacking-and-the-problem-...