测量尺度(scale of measure)或称度量水平(level of measurement)、度量类别,是统计学和定量研究中,对不同种类的数据,依据其尺度水平所划分的类别,这些尺度水平分别为:名目(nominal)、次序(ordinal)、…
测量水准(level of measurement)或测量尺度(scales of measurement)系指吾人在量化一个变数时可以采用不同的尺度水准,因… tw.knowledge.yahoo.com|基于28个网页 2. 标量类别 类别的英文... ... 标量类别 : Scale of measurement标量类别:Level of measurement标量类别 : Scales of measure ... ...
DefinitionNominal scale: An arrangement of values of a categorical variable that has no meaningful order (such as hair color or occupation). Ordinal scale: An order that can be imposed on the values oSpringer Berlin HeidelbergEncyclopedia of Pain...
A scale level variable is visually measured in either the interval level of measurement or the ratio level of measurement. If we have a well-defined...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer yo...
Systematic errors (系统误差):from faulty instruments or wrong techniques used in measurement. 这种误差在所有测量值中以相同的方式重复出现。 举例:Zero error: 仪器读数在未测量时不为零, 游标卡尺未闭合时显示0.05mm 电压表即使未接入电路,也显示0.2V ...
1）我感觉应该是ratio.Using a ratio scale permits comparisons such as being twice as high, or one-half as much.2）open-ended frequency distribution 见下例。Wages of workers in a factory Monthly Income (Rs.) --- NO. of Workers Less than 2000/- --- 99 2000-2...
In the picture, a tank connected by a transparent hose using a scale of 0-100% of the total height of the tank. This level measurement principle utilizing the properties of the liquid will fill all the space that he passed on the associated vessel. Height of liquid in the tank will be...
What is a Likert Scale? How would you classify amount of anxiety, as measured on a likert scale? A researcher is attempting to predict 'parental stress' by the number of children a couple has. The number of children in this case represents what type of measur...
precision:degree to which a measurement approach the mean value of several readings 准确度(accuracy)是指测量结果趋近与真实值的程度 精确度(precision)则是指测量结果趋近于该组测量平均值的程度。 a的8次测量值紧密分布在真实值两侧,我们可以称其为accurate measurement。 c的测量值虽然都分布在了真实值的左...
c. interval d. ratio Measurement: Measurement may be defined as the act of determining the proportions, capacity, and quantity of an object. An object may be measured using a tape, a ruler, or an instrument designed to determine a specific attribute of ...