Means and standard deviations for measures of covariates and mathematical achievement.
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https://figshare.com/articles/dataset/Means_and_standard_deviations_for_measures_of_covariates_and_mathematical_achievement_/745685
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资源简介：
Units are number of correct responses except for prior academic attainment, which is sum of grades for all GCSEs where A* = 8, A = 7, B = 6 etc.
本数据集的统计单位为正确作答次数，预先学业成就（prior academic attainment）除外；该指标为所有普通中等教育证书（GCSE）考试的成绩总和，其评分换算规则为A*对应8分、A对应7分、B对应6分，依此类推。
创建时间：
2013-07-15
