Scales of Measurement: Nominal, Ordinal, Interval & Ratio


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question 1 of 3

Sarah is a researcher that works for a development institute. She is interested in how the number of hours a student spends playing video games impacts their grades. The first thing Sarah does in her research is identify the variables. Why is this important?

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1. Which of these is NOT an example of a nominal scale?

2. The order that runners cross the finish line is an example of:

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About This Quiz & Worksheet

This quiz and corresponding worksheet will help you gauge your knowledge of the scales of measurement in research. Topics on the quiz include what a variable is and particular examples of a nominal scale.

Quiz & Worksheet Goals

Use the printable worksheet and quiz to review these topics:

  • Definition of a variable
  • Examples of a nominal, ordinal, and interval scale
  • Characteristics of a ratio scale

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding the characteristics of a ratio scale and interpret it correctly
  • Reading comprehension - ensure that you draw the most important information from the related psychology lesson
  • Knowledge application - use your knowledge to answer questions about the definition of a variable

Additional Learning

Review the corresponding lesson, Scales of Measurement in Research: Nominal, Ordinal, Interval & Ratio, for more on this subject. This lesson will help you:

  • Understand what a variable is
  • Describe where variables are categorized in research
  • Identify the four types of scales
  • Explain the characteristics of each scale
  • Appreciate what makes the ordinal scale different from the nominal