TIME DEPENDENT BIAS: A general term that describes any biases in a research study due to the inclusion of time-dependent covariates or factors1,2,3. The term…
TREATMENT SELECTION BIAS: A distortion of an estimate of association between an exposure (treatment) and disease of interest in a medical research study, due to…
TEST REVIEW BIAS: A bias relevant to studies of diagnostic accuracy. When the results of the diagnostic reference test (gold standard test) are known to…
TERMINAL DIGIT BIAS: Another term to describe End-Digit Preference Bias (synonym); which is a bias humans have for recording some final digits, in a sequence…
TIMING BIAS: A bias related to economic evaluations in medicine. When patient-reported outcome measures (PROMs) are recorded at different times compared to when cost data…
THE RESULTS WE’VE ALL BEEN WAITING FOR BIAS: Over-emphasizing the data, results, or importance of a study because they conform to prior expectations1. The Results…
TOWER OF BABEL BIAS: Another name for Language Bias (synonym)1; which is a bias when one assumes the quality of a study is related to…
TIME DELAY BIAS: Another name for Time Lag Bias (synonym)1; which is a bias in a study of knowledge synthesis, that occurs when the speed…
TIME LAG BIAS: A bias in studies of knowledge synthesis (e.g. systematic reviews), that occurs when the speed of publication of the studies included in…
TIME WILL TELL BIAS: Discounting study findings, diagnoses, or test results because one feels there isn’t a sufficient amount of confirmatory evidence yet to accept…