单选题学习成绩用“优、良、中、及格、不及格”来规定，此时使用的测量尺度为（）A定类尺度B定序尺度C定距尺度D定比尺度
单选题
学习成绩用“优、良、中、及格、不及格”来规定，此时使用的测量尺度为（）
A
定类尺度
B
定序尺度
C
定距尺度
D
定比尺度
参考解析
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