GCSE grade means (standard deviations).
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https://figshare.com/articles/dataset/_GCSE_grade_means_standard_deviations_/874898
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资源简介：
* to G. N = sample size after exclusions (individuals); MZ = monozygotic; DZ = dizygotic; m = male; f = female; os = opposite sex. ANOVA performed (on cleaned, normality-transformed data from one randomly-selected twin per pair) to test effects of sex and zygosity: results = F statistic; * = p<.05; ** = p<.01; R2 = proportion of variance explained by sex, zygosity and their interaction. All variables except for mathematics are composites. Scores for composite means and mathematics GCSE have a maximum of 11 and a minimum of 4, representing grades A
创建时间：
2013-12-11
