Table 2.

Common Publication Bias Types (25)

Type of Publication Bias	Definition
Affinity bias	Preference for studies from highly ranked institutions or investigators
Positive outcome bias	Preference for studies with positive results
Status quo bias	Favor of options supporting current dogma
Self-serving bias	Favor of opinions matching those of reviewer or colleagues
Academic publication bias	Favor of studies benefiting personal institution, peers, or promoting promotion in rank