What is meant by publication bias?

What is meant by publication bias?

Publication bias refers to the phenomenon that studies published in peer-refereed journals are much more likely to report statistically significant results than are studies that report a nonsignificant conclusion, especially for smaller studies.

What is an example of publication bias?

For example, a major study which showed a deworming program in India was not effective for reducing mortality or improving weight gain was delayed from publication for 8 years (Hawkes).

How do you identify publication bias?

We can measure publication bias by comparing the results of published and unpublished studies addressing the same question.

What type of bias is publication bias?

Publication bias is a type of bias that occurs in published academic research. It occurs when the outcome of an experiment or research study influences the decision whether to publish or otherwise distribute it.

What causes publication bias?

Research has shown causes of publication bias ranging from trialist motivation, past experience, and competing commitments; perceived or real lack of interest in results from editors, reviewers or other colleagues; or conflicts of interest that would lead to the suppression of results not aligned with a specific agenda …

What is publication bias in epidemiology?

Publication bias occurs if scientific studies with negative or null results fail to get published. This can happen due to bias in submitting, reviewing, accepting, publishing or aggregating scientific literature that fails to show positive results on a particular topic.

What contributes to publication bias?

Who is most responsible for publication bias?

Selective submission of papers by authors rather than selective recommendation by peer reviewers and selective acceptance by editors thus appears to be the dominant contributor to publication bias.

What problems does publication bias cause?

Publication bias can lead to the formulation and testing of hypotheses based on false impressions from the scientific literature, wasting research opportunities, time, and money.

How do you get rid of publication bias?

Bias can be minimized by (1) insisting on high-quality research and thorough literature reviews, (2) eliminating the double standard concerning peer review and informed consent applied to clinical research and practice, (3) publishing legitimate trials regardless of their results, (4) requiring peer reviewers to …