Negative Results, Null Results, or No Results?

What happens when a study produces evidence that doesn’t support a scientific hypothesis?

Scientists have a few different ways of describing this event. Sometimes, the results of such a study are called ‘null results’. They may also be called ‘negative results’. In my opinion, both of these terms are useful, although I slightly prefer ‘null’ on the grounds that the term ‘negative’ tends to draw an unfavorable contrast with ‘positive’  results. Whereas, my impression is that ‘null’ makes i

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