| selection |
(Sampling) Bias - Spectrum Bias: The sample population chosen is not representative of the population at risk. An appropriate spectrum of patients were not included in the study (eg patients with advanced disease were compared with healthy nondiseased patients.
출처: www.musc.edu/dc/icrebm/bias.html
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| selection bias |
Systematic error in creating intervention groups, causing them to differ with respect to prognosis. That is, the groups differ in measured or unmeasured baseline characteristics because of the way in which participants were selected for the study or assigned to their study groups. The term is also used to mean that the participants are not representative of the population of all possible participants. See also Allocation concealment, External validity.
출처: rctbank.ucsf.edu/BaT/html-files/glossary.html
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| selection |
Soundtrack: All This and World War II (77), "Strawberry Fields Forever" Exposure (79, w/ Robert Fripp), "Here Comes The Flood" Mister Heartbreak (84, w/ Laurie Anderson), "Excellent Birds" It's About Time (92, w/ Manu Katche), "Warm Doorway" and "Silence" Tender City (94?, w/ Joy Askew), "I'm Still Looking For a Home"
출처: www.gepr.net/ga.html
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| selection |
In our case, we are using the characteristics of the recombinant plasmid (resistance to kanamycin and ampicillin) to find only those bacteria which contain that type of plasmid. By plating cells on media containing both antibiotics, we are selecting cells which meet these criteria. This type of selection is an artificial selection, imposed by the plates we make. Artificial selection is used by plant and animal breeders who want to develop strains of organisms with certain traits. ...
출처: www.acad.carleton.edu/curricular/BIOL/classes/bio1...
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| selection pressure |
the environmental force altering the frequency of traits in a population. The S+ selective pressure is stronger than the S+ pressure, so its trait becomes more common. Selection may be for or against (S-) traits.
출처: www.geo.arizona.edu/Antevs/ecol438/evolglos.html
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