Example Variables for Income, Location, and Temperature

income

  • nominal – source of income (wages, interest, etc.)
  • ordinal – lower class, middle class, etc.
  • interval, ratio – actual income
    •

    location

  • nominal – desert, rain forest, urban, rural
  • ordinal – interior, coastal, low elevation, mid-elevation, high-elevation
  • interval – latitude, longitude
  • ratio – distance from a reference point
    •

    temperature

  • nominal – confortable, uncomfortable
  • ordinal – hot, cold
  • interval – degrees Celcius
  • ratio – degrees Kelvin
    •

    source: Griffiths et al. (1990)