There are lots of reasons you could get a false positive result that have nothing to do with chance: e.g. non-representative sample, miscalibrated equipment, bi

There are lots of reasons you could get a false positive result that have nothing to do with chance: e.g. non-representative sample, miscalibrated equipment, biased methodology, researcher fraud, flawed statistical analysis, etc. C.f. http://blog.minitab.com/blog/adventures-in-statistics/how-to-correctly-interpret-p-values http://blog.minitab.com/blog/adventures-in-statistics/how-to...