Exercise 7.3: Distinguishing Levels of Measurement

We have noted that you can measure variables that describe a wide variety of units of analysis. In this exercise you will focus on countries of the world as units of analysis and identify measurements that represent three levels: nominal, ordinal, and interval/ratio. Choose one country located in Europe and one located in Africa. Use your web browser to access the CIA World Factbook .

Identify the countries you have chosen for this exercise.

European country: African country:

Identify, describe, and record for each country you chose three variables that are measured at each level of measurement.

Nominal Level:
Variable One: European Country: African Country: Variable Two: European Country: African Country: Variable Three: European Country: African Country:

Ordinal Level:
Variable One: European Country: African Country: Variable Two: European Country: African Country: Variable Three: European Country: African Country:

Interval/Ratio Level:
Variable One: European Country: African Country: Variable Two: European Country: African Country: Variable Three: European Country: African Country: