MRCT – Flaws in the way a study is designed, done, or analyzed that lead to one conclusion being favored over another.
https://mrctcenter.org/glossaryterm/research-bias/
CDISC-Gloss – Bias refers to defects in study design, measurement, analysis or interpretation such that they cause a result to depart from the true value in a consistent direction. [after AMA Manual of style, ICH E9, CONSORT Statement]