Undergraduate institution level descriptive statistics and bivariate correlations (Study 3); all correlations are statistically significant (p<.05) unless marked (*).

Undergraduate institution level descriptive statistics and bivariate correlations (Study 3); all correlations are statistically significant (p本科院校层面的描述性统计量（descriptive statistics）与双变量相关分析（bivariate correlations）（研究3）；所有相关系数均具有统计学显著性（statistically significant）（p