因变量

标准化回归方程

回归系数检验

第一步

Y = −0.782x

SE = 0.013, t = −101.980**

第二步

M = 0.768x

SE = 0.005, t = 66.384**

第三步

Y = −0.301m−0.494x

SE = 0.096, t = −11.398**

SE = 0.042, t = −16.323**