# Nominal Scale And Ordinal Scale Pdf

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*In statistics, there are four data measurement scales: nominal, ordinal, interval and ratio.*

- Measurement scale
- Types of Data & Measurement Scales: Nominal, Ordinal, Interval and Ratio
- Definition Level of measurement

*Home Consumer Insights Market Research. Nominal Scale and Ordinal Scale are two of the four variable measurement scales.*

## Measurement scale

Each of the measurement scales builds on the other. Scaled questions, no matter what they are, derive from these four measurement scales. For example, a Likert scale is a type of ordinal scale used to measure sentiment and at times frequency. The classifications are important because they determine the type of statistical analysis you can do with the survey data you collect. Nominal, ordinal, interval, and ratio scales can be defined as the 4 measurement scales used to capture and analyze data from surveys, questionnaires , and similar research instruments.

In statistics, depending on the kind of data we ascertained, we use different kinds of scales. While body size can easily be depicted in centimeters or in feet and inches, this is not possible for variables such as gender and possible but difficult for levels of personal satisfaction. The level of measurement expresses, how quantifiable a value actually is, i. We differ four levels of measurement:. The nominal scale offers the least statistical information content, the ratio scale the highest.

## Types of Data & Measurement Scales: Nominal, Ordinal, Interval and Ratio

Empirical research in the social sciences requires both accurate and reliable measures. When it comes to quantification of people, perceptions, and events, there are 4 types of measurement. One mistake many social science researchers make is collecting data at a lower level than is necessary. As it turns out, it is always possible to transform data from a higher level to a lower level but never the other way around. Before you collect data during a research study, consider carefully which of the 4 types of data you are collecting and how you will use them once you have them.

Home Consumer Insights Market Research. To perform statistical analysis of data, it is important to first understand variables and what should be measured using these variables. There are different levels of measurement in statistics and data measured using them can be broadly classified into qualitative and quantitative data. A quantity whose value changes across the population and can be measured is called variable. For instance, consider a sample of employed individuals. The variables for this set of the population can be industry, location, gender, age, skills, job-type, etc The value of the variables will differ with each employee. For example, it is practically impossible to calculate the average hourly rate of a worker in the US.

## Definition Level of measurement

Measurement scale , in statistical analysis , the type of information provided by numbers. Each of the four scales i. Measurement refers to the assignment of numbers in a meaningful way, and understanding measurement scales is important to interpreting the numbers assigned to people, objects, and events. Gender is an example of a nominal measurement in which a number e.

Ratio scale data have a defined zero, which may not be changed. Nominal scales are at the other end of the hierarchy. They do not even require the assignment of.

Scales of measurement in research and statistics are the different ways in which variables are defined and grouped into different categories.

Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables.

An examination of measurement levels, including nominal, ordinal, interval and ratio levels, is provided. The chapter examines the measurement.

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