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Scale Of Measurement Nominal Ordinal Interval Ratio. Each of the four scales ie nominal ordinal interval and ratio provides a different type of information. The scale of measurement depends on the variable itself. Nominal ordinal interval and ratio scales explained There are four levels of measurement or scales to be aware of. Nominal ordinal interval and ratio.
Nominal and ordinal data can be either string alphanumeric or numeric. Dates themselves are interval but I could see cases where they could be any of those four. Nominal ordinal interval and ratio. In SPSS you can specify the level of measurement as scale numeric data on an interval or ratio scale ordinal or nominal. This topic is usually discussed in the context of academic. A nominal scale is the 1 st level of measurement scale in which the numbers serve as tags or labels to classify or identify the objects.
Nominal ordinal interval and ratio.
The reason its important to understand the levels of measurement in your data nominal ordinal interval and ratio is because they directly impact which statistical techniques you can use in your analysis. Nominal Ordinal Interval and Ratio CSc 238 Fall 2014 There are four measurement scales or types of data. These are considered under qualitative and quantitative data as under. If you are not positing any monotonic change over time and you have only a few dates then nominal. The four types of scales are. Each scale builds upon the last meaning that each scale not only ticks the same boxes as the previous scale but also adds another level of precision.