在确定要使用哪些适当的统计检验时，实验设计的一个重要方面是选择数据收集的 衡量尺度。
One aspect of experimental design that is critical in determining the appropriate statistical test to use is the choice of measurement scale for data collection.
教育技术领域需要实验研究，而实验研究最重要的就是研究课题的选择和实验设计。
Educational technology field needs experimental study. The important parts are selection of research title and experimental design.
用实验设计方法选择实验点，可以使实验点更均匀，更具有代表性，从而为建立精确的近似模型打下良好的基础。
If we select experiment points by experiment design method, experiment points may be more uniform and more typical., and it can prepare good foundation for constructing precise approximation models.
应用推荐