ll Scales of measurement e nominal scale- labels represent various levels of a categorical variable Ordinal scale labels represent an order that indicates either preference or rankin 8 o Interval scale-Numerical labels indicate order and distance between elements. There is no absolute zero and multiples of measures are not meaningful Ratio scale -Numerical labels indicate order and distance between elements. There is an absolute zero and multiples of measures are meaningful o 2002 The Wadsworth GroupScales of Measurement • Nominal Scale - Labels represent various levels of a categorical variable. • Ordinal Scale - Labels represent an order that indicates either preference or ranking. • Interval Scale - Numerical labels indicate order and distance between elements. There is no absolute zero and multiples of measures are not meaningful. • Ratio Scale - Numerical labels indicate order and distance between elements. There is an absolute zero and multiples of measures are meaningful. © 2002 The Wadsworth Group