panned out如何中译?

How to Translate “panned out” into Chinese?

问:请问“Learning styles theories have not panned out,and it is our responsibility to ensure that students know that”这句话中的panned out 如何翻译?苏正隆答:这句话的意思是“Learning styles theories是尚未证实的理论,这点我们有责任让学生知道”。