Feature
12 reasons research goes wrong
FIXING THE NUMBERS Massaging data, small sample sizes and other issues can affect the statistical analyses of studies and distort the results, and that's not all that can go wrong.
Justine Hirshfeld/Science News
For more on reproducibility in science, see SN's feature "Is redoing scientific research the best way to find truth?"
Barriers to research replication are based largely in a scientific culture that pits researchers against each other in competition for scarce resources. Any or all of the factors below, plus others, may combine to skew results.
