[robotresearcher]

Can you give an example, because I have seen very few papers with negative or 'null' results. I'm not even sure what 'null' results means.

[zootar]

Null means "without value, effect, consequence, or significance; being or amounting to nothing".

Google "reproducibility crisis", "Why Most Published Research Findings Are False" by Ionnadis, "The Garden of Forking Paths" by Gelman.