1968年,美国教育心理学家罗森塔尔带领他的实验小组到一所小学对学生做“发展预测”。实验小组对该校18个班的学生考查后留下一张名单,他们告诉老师,名单上的学生都是很有发展前途的孩子。半年后实验小组再次回到这所学校,老师们纷纷赞扬预测准确,说名单上的学生确实比其他学生 In 1968, American educational psychologist Rosenthal led his experimental group to a primary school to make a “prediction of development” for students. The experimental group left a list of students in 18 classes in the school. They told the teacher that the students on the list were all promising children. Six months later, the experimental group returned to the school again. The teachers all praised the prediction accurately, saying that the students in the list did indeed have better performance than other students