Measurement Scales - Test 3

Question 1

Nominal or Categorical Scale

Answer 1

Simplest kind of measurement
* Meaningful but usually arbitrary and non-numerical names or categories
GENDER IS A GOOD EXAMPLE OF A NOMINAL VARIABLE
Numbers can be used as tags or labels, but they do not indicate the quantity
Mutually exclusive and exhaustive labels

Question 2

Ordinal Scales

Answer 2

Precise numerical properties involving order and ranking
Examples of variables:
* person’s birth-order
* ranking in the dessert-eating contest
mutually exclusive and exhaustive labels

Question 3

Interval Scales

Answer 3

make use of real numbers designating amounts to reflect relative differences in magnitude (sometimes can take on negative values, like temperatures)

Question 4

Ratio Scales

Answer 4

Like interval scales with real numbers but they have a true zero point (scales can never take on values less than zero)