Results 251 to 260 of about 4,222,943 (302)
An application of the MR-Horse method to reduce selection bias in genome-wide association studies of disease progression. [PDF]
Donovan K +4 more
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Annual Review of Genetics, 2008
In a wide variety of organisms, synonymous codons are used with different frequencies, a phenomenon known as codon bias. Population genetic studies have shown that synonymous sites are under weak selection and that codon bias is maintained by a balance between selection, mutation, and genetic drift.
Ruth Hershberg, Dmitri Petrov
exaly +3 more sources
In a wide variety of organisms, synonymous codons are used with different frequencies, a phenomenon known as codon bias. Population genetic studies have shown that synonymous sites are under weak selection and that codon bias is maintained by a balance between selection, mutation, and genetic drift.
Ruth Hershberg, Dmitri Petrov
exaly +3 more sources
When selection becomes selection bias
European Journal of EndocrinologyAbstract Selection in clinical research does not necessarily result in selection bias. To understand when selection leads to bias, we discuss collider-conditioning bias, which is a common and often self-inflicted type of selection bias. Collider-conditioning bias may be difficult to recognize, and paying more attention to the bias could ...
Kristina Laugesen, Nils Skajaa
exaly +3 more sources
Selection Bias Requires Selection: The Case of Collider Stratification Bias
American Journal of Epidemiology, 2023Abstract 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 ...
Haidong, Lu +2 more
openaire +2 more sources
Wage Comparisons--A Selectivity Bias [PDF]
The economics of information have been established by now as an integral part of economic analysis. However, surprisingly little has been written on the implications of search (and in particular, job search) for the estimation of the wage function and its ramifications in such cases as the estimation of the determinants of labor force participation ...
openaire +1 more source
Selection Bias and Self-Selection
1987The problem of selection bias in economic and social statistics arises when a rule other than simple random sampling is used to sample the underlying population that is the object of interest. The distorted representation of a true population as a consequence of a sampling rule is the essence of the selection problem.
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1986
Discrimination is the essence of good selection: an employer tries to discriminate between the applicants who will be good workers and those who will be poor workers. Such discrimination is right and proper: it increases organisational efficiency, it conserves society’s resources and it saves many individuals the stress and strain of struggling to cope
Mike Smith, Ivan T. Robertson
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Discrimination is the essence of good selection: an employer tries to discriminate between the applicants who will be good workers and those who will be poor workers. Such discrimination is right and proper: it increases organisational efficiency, it conserves society’s resources and it saves many individuals the stress and strain of struggling to cope
Mike Smith, Ivan T. Robertson
openaire +1 more source

