表6 考虑社交关系特征异质性后的同群效应影响
Dependent variable:
社交网络主体学生学业表现:Score
长期朋友短期朋友高社交强度低社交强度
(1)(2)(3)(4)
GP_Score0.200***0.215***0.284***0.090***
(0.026)(0.027)(0.022)(0.027)
Constant1.859***1.820***1.661***2.115***
(0.061)(0.063)(0.053)(0.064)
控制主体特征变量YESYESYESYES
控制朋友特征变量YESYESYESYES
固定效应YESYESYESYES
Observations4,2235,4575,5685,297
R20.1210.1060.1230.093
Note:*p<0.1; **p<0.05; ***p<0.01