R. BreenELSEVIERInternational Encyclopedia of the Social & Behavioral Sciences
The problem of selection bias is pervasive in the social and behavioral sciences. This article defines the problem and provides examples of where it arises. Since the 1980s, the Heckman two-step method has been the most popular method of correcting for selection bias. It is explained and the...
也有很多应用价值(比如许多genomic data anlaysis的pipeline真的完全不考虑selection bias,这会导致很多的f...
Bias and causal associations in observational research. Readers of medical literature need to consider two types of validity, internal and external. Internal validity means that the study measured what it set ou... DA Grimes,KF Schulz - 《Lancet》 被引量: 2825发表: 2002年 Physiotherapy versus ...
网络选择性偏误 网络释义 1. 选择性偏误 因此,在样本选择上很可能存在选择性偏误(Selection-Bias)问题,在这种情况下,采用普通最小二乘法(OLS)可能导致系数的有 … www.lw23.com|基于2个网页
Summary statistics MR is subject to selection bias, resulting in excessive false positives (for instance, the MR Steiger method) or missed discoveries (for instance, the SMR method). This bias is a form of winner’s curse. Selection bias has been discussed in the literature in the context of...
Hurst LD, Pomiankowski A (1991) Causes of sex ratio bias may account for unisexual sterility in hybrids: a new explanation of Haldane’s rule and related phenomena. Genetics 128:841–858 Article CAS PubMed PubMed Central Google Scholar Irwin DE (2018) Sex chromosomes and speciation in bir...
In a previous paper, a method for the elimination of bias-by-selection from before-and-after comparisons has been suggested. While the suggested estimator is unbiased, there is reason to be concerned about its precision. In this paper expressions are obtained for the variance of the unbiased es...
Objectives Little is known about influences of sample selection on estimation in propensity score matching. The purpose of the study was to assess potential selection bias using one-to-one greedy matching versus optimal full matching as part of an evaluation of supportive housing in New York City ...
A. Richard Palmer 1,2,*, Detecting Publication Bias in Meta‐analyses: A Case Studyof Fluctuating Asymmetry and Sexual Selection, The American Naturalist, ... AR Palmer - 《American Naturalist》 被引量: 982发表: 1999年 The dominance theory of Haldane9s rule. "HALDANE9s rule" states that, ...