Marketing Research and Insight Glossary

Definitions, common uses and explanations of 1,500+ key market research terms and phrases.

What is a Ratio scale?

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Ratio scale Definition

Identifies categories of the variable in which observations can be ranked from smallest to largest and the distance between variables is meaningful and the ratios of the observations are meaningful. The ratio scale is for variables that have a uniquely defined zero. Examples include weight, height, age, etc.

A ratio scale is a type of quantitative measurement scale that has all the properties of an interval scale – equal intervals between values – and also includes a meaningful, absolute zero point. This allows for the full range of mathematical operations, including multiplication and division.

Who relies on ratio scales in market research?

Statisticians, data analysts, financial researchers, consumer behavior experts and product developers rely on ratio scale data for precise measurement and robust statistical analysis.

What are key aspects of ratio scales in market research?

  • Equal intervals between values.
  • Has a true, non-arbitrary zero point.
  • Supports all arithmetic operations.
  • Examples include age, income, number of purchases, time spent.
  • Provides the highest level of measurement precision.

Why are ratio scales important in market research?

Ratio scales provide the most comprehensive and versatile form of data measurement. They allow for accurate comparisons, proportional analysis and the application of complex statistical techniques that drive sound business decisions.

How do market researchers use ratio scales?

Researchers use ratio scales to analyze purchasing behavior, calculate customer lifetime value, measure time-based responses, compare sales figures and evaluate pricing strategies with precision. This data supports predictive modeling and detailed segmentation.