The phrase "bias issues" refers to situations where someone has a prejudice or favoritism towards something or someone, which can affect their judgment or decision-making. Full definition
This coverage bias issue was identified nearly 10 years ago and has been highlighted in the peer - reviewed literature since at least 2010. (deepclimate.org)
With such eye popping results and no mention of bias issues the question does indeed arise whether there is something wrong with the study methodology. (greenbackd.com)
In 1996, I started to organise a women's forum to address gender - bias issues faced by women in the company. (sciencemag.org)