在调查问卷中，每个问题都可以对应一个或多个变量。要测量这些变量就需要预先确定计量尺度，这种计量尺度被称为“量表”，它是测量变量数值的工具。选择量表要根据数据所衡量的客观事物的不同特征来确定。同时，不同的数据量表也就决定了所要应用的不同的统计方法。从对客观 In the questionnaire, each question can correspond to one or more variables. Measuring these variables requires a predetermined measurement scale, a measure called the “gauge,” which is a tool for measuring the value of a variable. The selection scale is based on the different characteristics of objective things measured by the data. At the same time, different data scales also determine the different statistical methods to be applied. From the objective