He didn't have scientific evidence.
a logical fallacy
fallacy
A fallacy is basically an error in reasoning.
mazda
That would be a moot point
error of omission and error of original entry
it will create a consistence difference in your readings as it is a systematic error.
A logical fallacy is, roughly speaking, an error of reasoning. When someone adopts a position, or tries to persuade someone else to adopt a position, based on a bad piece of reasoning, they commit a fallacy
It should reduce the sample error.
The larger the sample size, the smaller the margin of error.
Ernest Terrence Alderdice has written: 'Analysis of error performance on a test for abstract reasoning' -- subject(s): Testing, Reasoning (Psychology), Shipley-Institute of Living Scale
1 error of omission 2 error of compensation 3 error of original entry 4 error of principle 5 error of commission