Here is a list of all Biases in the Catalogue.  Check back regularly as we are adding new ones over time.


Verification bias

when only a proportion of the study group receives confirmation of the diagnosis by the reference standard, or if some patients receive a different reference standard at the time of diagnosis.

Read More

Volunteer bias

Participants volunteering to take part in a study intrinsically have different characteristics from the general population of interest.

Read More

Wrong sample size bias

When the wrong sample size is used in a study: small sample sizes often lead to chance findings, while large sample sizes are often statistically significant but not clinically relevant.

Read More