Results 371 to 380 of about 6,442,831 (407)

Operating characteristics of a rank correlation test for publication bias.

Biometrics, 1994
An adjusted rank correlation test is proposed as a technique for identifying publication bias in a meta-analysis, and its operating characteristics are evaluated via simulations.
C. Begg, Madhuchhanda Mazumdar
semanticscholar   +1 more source

REFEREE BIAS [PDF]

Journal of Economic Surveys, 2015
AbstractThis paper surveys the empirical literature on the behavior of referees in professional football and other sports. Referees are typically appointed by a principal to be impartial, especially when unbiased referee judgment is vital for the accomplishment of the principal's objective.
Dohmen, Thomas, Sauermann, Jan
openaire   +4 more sources

Bias measuring bias

Journal of Health Services Research & Policy, 2002
The British National Health Service and other publicly funded health systems operate on the principle that health care should be provided solely on the basis of need. Yet the literature abounds with reports of bias in health care use. In order to defend such a charge, two conditions must be met.
openaire   +3 more sources

Bias reduction of maximum likelihood estimates

, 1993
SUMMARY It is shown how, in regular parametric problems, the first-order term is removed from the asymptotic bias of maximum likelihood estimates by a suitable modification of the score function.
D. Firth
semanticscholar   +1 more source

Threat-related attentional bias in anxious and nonanxious individuals: a meta-analytic study.

Psychological bulletin, 2007
This meta-analysis of 172 studies (N = 2,263 anxious,N = 1,768 nonanxious) examined the boundary conditions of threat-related attentional biases in anxiety.
Y. Bar-Haim, D. Lamy, Lee Pergamin, M. Bakermans‐Kranenburg, Marinus H. van IJzendoorn   +4 more
semanticscholar   +1 more source

On bias

Acta Orthopaedica Scandinavica, 1994
We performed a search in Medline to assess the quality of clinical journals in orthopedics from the point of view of study design. 3 levels of quality were chosen: prospective studies, random allocation or double-blind methods and randomized controlled trials; all entries were Medical Subject Headings (MeSH).
L, Ryd, L, Dahlberg
openaire   +2 more sources

An Efficient Method of Estimating Seemingly Unrelated Regressions and Tests for Aggregation Bias

, 1962
In this paper a method of estimating the parameters of a set of regression equations is reported which involves application of Aitken's generalized least-squares [1] to the whole system of equations. Under conditions generally encountered in practice, it
A. Zellner
semanticscholar   +1 more source

Confirmation bias – myside bias

2016
The confirmation bias – “the seeking or interpreting of evidence in ways that are partial to existing beliefs, expectations, or a hypothesis in hand” (Nickerson, 1998, p. 175) – has been described by contemporary researchers as “ubiquitous” (Nickerson, 1998), “perhaps the best known and most widely accepted notion of inferential error to come out of
openaire   +4 more sources

Estimating within-group interrater reliability with and without response bias.

, 1984
: This article presents methods for assessing agreement among the judgments made by a single group of judges on a single variable in regard to a single target.
L. James, R. Demaree, Gerrit Wolf
semanticscholar   +1 more source

Reducing Bias in Observational Studies Using Subclassification on the Propensity Score

, 1984
The propensity score is the conditional probability of assignment to a particular treatment given a vector of observed covariates. Previous theoretical arguments have shown that subclassification on the propensity score will balance all observed ...
P. Rosenbaum, D. Rubin
semanticscholar   +1 more source