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DeCS
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Descriptor English:
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Selection Bias
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Descriptor Spanish:
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Sesgo de Selección
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Descriptor Portuguese:
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Viés de Seleção
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Synonyms English:
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Bias, Sampling
Bias, Selection
Biases, Sampling
Biases, Selection
Error, Sampling
Errors, Sampling
Sampling Bias
Sampling Biases
Sampling Error
Sampling Errors
Selection Biases
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Tree Number:
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N05.715.350.150.775
N06.850.490.500.500
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Definition English:
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The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample. |
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Indexing Annotation English:
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usually NIM
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History Note English:
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91(90); was see under BIAS (EPIDEMIOLOGY) 1990
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Record Number:
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24872
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Unique Identifier:
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D015983
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Occurrence in VHL:
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Similar:
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DeCS
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