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Bounding bias due to selection
Epidemiology, 2019 When epidemiologic studies are conducted in a subset of the population, selection bias can threaten the validity of causal inference. This bias can occur whether or not that selected population is the target population, and can occur even in the absence ...
Smith, Louisa H., VanderWeele, Tyler J.
core +4 more sources
Selection Bias Requires Selection: The Case of Collider Stratification Bias. [PDF]
Am J Epidemiol, 2023 Abstract In epidemiology, collider stratification bias, the bias resulting from conditioning on a common effect of two causes, is oftentimes considered a type of selection bias, regardless of the conditioning methods employed. In this commentary, we distinguish between two types of collider stratification bias: collider restriction bias ...
Lu H, Gonsalves GS, Westreich D.
europepmc +3 more sources
Sensitivity analysis of selection bias: a graphical display by bias-correction index [PDF]
PeerJ, 2023 Background In observational studies, how the magnitude of potential selection bias in a sensitivity analysis can be quantified is rarely discussed. The purpose of this study was to develop a sensitivity analysis strategy by using the bias-correction ...
Ping-Chen Chung, I-Feng Lin
doaj +2 more sources
The Impact of Primary Tumor Resection on Survival in Asymptomatic Colorectal Cancer Patients With Unresectable Metastases [PDF]
Annals of Coloproctology, 2021 Purpose This study was conducted to evaluate the effectiveness of primary tumor resection (PTR) in asymptomatic colorectal cancer (CRC) patients with unresectable metastases using the inverse probability of treatment weighting (IPTW) method to minimize ...
Ki Yoon Doah +4 more
doaj +1 more source
Canadian Medical Association Journal, 2017 As experienced front-line obstetricians with leadership responsibilities, we have concerns with the conclusions and implications of the article by Muraca and colleagues on operative delivery in the second stage of labour.[1][1] Although an important strength is the size of this population ...
Jon F R, Barrett +4 more
openaire +2 more sources
Mitigating selection bias in organ allocation models
BMC Medical Research Methodology, 2021 Background The lung allocation system in the U.S. prioritizes lung transplant candidates based on estimated pre- and post-transplant survival via the Lung Allocation Scores (LAS).
Erin M. Schnellinger +5 more
doaj +1 more source
Heterogeneous Causal Effects and Sample Selection Bias [PDF]
Sociological Science, 2015 The role of education in the process of socioeconomic attainment is a topic of long standing interest to sociologists and economists. Recently there has been growing interest not only in estimating the average causal effect of education on outcomes such ...
Richard Breen +2 more
doaj +1 more source
Frontiers in Psychology, 2020 Coaches are faced with the difficult task of identifying and selecting athletes to their team. Despite its widespread practice in sport, there is still much to learn about improving the identification and selection process.
Kathryn Johnston, Joseph Baker
doaj +1 more source
Reward predictions bias attentional selection
Frontiers in Human Neuroscience, 2013 Attention selects stimuli for perceptual and cognitive processing according to an adaptive selection schedule. It has long been known that attention selects stimuli that are task relevant or perceptually salient.
Brian August Anderson +2 more
doaj +1 more source
Children, 2021 In 2019, numerous championships of youth categories soccer national teams were held. In the present study, we analyzed the existence of the Relative Age Effect (RAE) in four major male championships that, due to their importance and participating teams ...
Benito Pérez-González +4 more
doaj +1 more source