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Interval Scale in Research Methodology

The interval scale has all the properties of ordinal and nominal scale plus the benefit that it provides equal intervals among categories. The values in the interval scale can take positive or negative values. This property enables the use of statistical analysis on data measured using interval scale. Age, IQ, temperature and dates are few examples of an interval scale. …

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Ordinal Scale in Research Methodology

The ordinal scale ranks the individuals, responses or objects into sub-categories and it also makes it possible to rank these sub-categories into some order of magnitude. This property of ordinal scale, to rank objects in some order, makes it different from the nominal scale.  It does not quantify “how much” different in magnitude each sub-category is from the other. For …

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