Related Experiment Video
Updated: May 29, 2025

A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences
Published on: September 4, 2019
[Risk of bias across study designs]
Siv Fonnes1,2, Jacob Rosenberg1,2
1Center for Perioperativ Optimering, Afdeling for Mave-, Tarm- og Leversygdomme, Københavns Universitetshospital - Herlev Hospital.
None:
Bias means a systematic error and is a problem in research. Several bias tools are available, which are specific and depend on the study design. There are four overall categories of bias: selection bias, information bias, reporting bias, and other bias. This review summarises bias assessment in randomised controlled trials, cohort studies, and systematic reviews. Assessment of bias can be used at any point in the research process, not only for published research articles. This is an important step to avoid research waste.
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