p-hacking
Making up stats so the results look good, usually because someone paid for it. They pick the numbers they want and say it's real, even if it's total garbage.
A drug company says their pill works, but they only reported the times people got better, not the times they got worse.
A fitness coach says a new workout burns 1000 calories a day, but that’s only if you dance like a madman and never eat.
A food company says their cereal is healthy, but it's just the best of 100 failed experiments.