Stratification

besides scarification, there's soaking the hard seed of a grape variety for 6 hrs keeping the water warm(don't let it cool). I found that tiny holes in the cells of the seed (especially through the nucleus of a cell) allows water and nutrients to enter that cell very quickly resulting in a larger, s...

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... we determined of each sample whether it was (1) considered representative by the original authors, (2) drawn randomly, (3) based on an explicated stratification scheme, (4) composed of healthy test-takers, and (5) considered by the original authors as normal in terms of Socio-Economic Status (SES). ...

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... fitness very high. Other people value intelligence or assertiveness. The most controversial aspect of my theory suggests that a certain amount of stratification or grouping will occur. People in certain socioeconomic segments tend to value specific traits. Highly educated and intelligent individuals ...

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... tradition of Jeffersonian democracy. Gould withholds from his readers that The Bell Curve is mainly an empirical work about the causes of social stratification and that it reached its conclusions only after fully analyzing a 12-year longitudinal study of 12,486 youths (3,022 of whom were African ...

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Hello every one I need a specialistic help on stratification analysis. I'm doing a case/contro study on a multifactrorial genetics disease. 90 SNPs are analysed in the 2 populations (affected vs unaffected). The 90 SNPs have been choosen already ...

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