While Ms. Kirchner questions the instructional effectiveness of online courses, she said there was a place for them at some level.
当科内尔女士问及在线课程的效率时，她说会为学生们设立不同的水平标准来选择。
There are three major objectives of media research:(1) obtain knowledge about the educational or instructional effectiveness of a chosen medium;
大众传播研究有三个主要目标：（1 ）获得对被选择的媒体的教育或指导效力的了解；
Content selection and instructional method design are the two major constraints to the effectiveness of the strategy.
策略内容选择和教学方法设计乃策略教学有效性的两大制约因素。
No matter what kind of theoretical guidance of instructional design, we can not evade the three questions: view of knowledge, the cognitive process, sufficiency and effectiveness of teaching.
教学设计不管以何种理论为指导，都不能回避三个问题，即知识观的问题，认知过程的问题，还有教学效率和效果的问题。
No matter what kind of theoretical guidance of instructional design, we can not evade the three questions: view of knowledge, the cognitive process, sufficiency and effectiveness of teaching.
教学设计不管以何种理论为指导，都不能回避三个问题，即知识观的问题，认知过程的问题，还有教学效率和效果的问题。
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