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来源：雅诚德英语网
The feedback of disappointment from teachers will enhance elementary school students to study hard, but has little effect on middle school students.
“失望”反馈情境可促进低年级学生的积极自我调节，但随着年级的增长作用减弱；
The feedback of disappointment from teachers will enhance elementary school students to study hard, but has little effect on middle school students.
“失望”反馈情境可促进低年级学生的积极自我调节，但随着年级的增长作用减弱；