Scientists unknowingly tweak experiments, article suggests

18 marzo 2015

Some scientists are unknowingly tweaking experiments and analysis methods to increase their chances of getting results that are easily published, a new article suggests. P-hacking happens when researchers either consciously or unconsciously analyze their data multiple times or in multiple ways until they get a desired result. If p-hacking is common, the exaggerated results could lead to misleading conclusions, even when evidence comes from multiple studies.