Publication Bias: A Threat to the Objective Report of
(2000) explained that “publication bias exists if the probability that a study reaches the literature, and is thus available for combined analysis, depends on the results of the study ” (Scargle, 2000, p 92) Publication bias, otherwise called positive-outcome bias, is the tendency
Publication Bias - Meta-analysis
Publication Bias Introduction The problem of missing studies Methods for addressing bias Illustrative example The model Getting a sense of the data Is there evidence of any bias? Is the entire effect an artifact of bias? How much of an impact might the bias have? Summary of the findings for the illustrative example Some important caveats Small
Comparison of Different Methods of Detecting Publication Bias
(Data with 20 publication bias) From the above graph we can say that, as number of studies increases in a high heterogeneous data the ability of detecting publication bias of Fail-Safe N method goes on decreasing When number of studies is above 80, this method clearly fails to detect publication bias
Meta-analysis: publication bias
The main graphical method for identifying publication bias is the use of funnel plots A funnel plot is a plot of effect size against sample size or some other indicator of the precision of the estimate To illustrate funnel plots I have used simulated data, where we know that there is no publication bias
BIS Working Papers
by Bruno Biais, Fany Declerck and Sophie Moinas Monetary and Economic Department May 2016 JEL classification: D82, D53, G01 Keywords: Liquidity, high-frequency trading, proprietary trading, adverse selection, electronic limit order book, short-term momentum, contrarian
L’EXPLORATION DU BIAIS DE PUBLICATION : DESCRIPTION ET
Un biais de publication peut apparaître lorsque la publication d’une recherche dépend de la nature et de la direction des résultats obtenus (Sutton et al , 2000a) Plusieurs études ont ainsi
BIAS: Bluetooth Impersonation AttackS
Fig 1: Bluetooth Impersonation AttackS (BIAS) overview Alice and Bob, the victims, share a long term key that is unknown to the attacker The goal of the attacker (Charlie) is to
L’EXPLORATION STATISTIQUE DU BIAIS DE PUBLICATION
biais de publication `a partir des donn´ees d’une m´eta-analyse La simple v´erification visuelle de l’allure gaussienne d’un histogramme permet un diagnostic rapide
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