The problem with research is people can often get what results they want from the data they get. It lies in the surprisingly slippery nature of the P value, which is neither as reliable nor as objective as most scientists assume.
Have a read of this to gain more insight.
This is why you cannot always rely on research to give you the best information. Look at the whole picture! Sometimes you have also just got to talk to the people around you to get an opinion as to what may or may not work.