T7

Question 1

interval (cardinal) scale?

Answer 1

1. No fixed zero
   - -> temperature
2. cardinal scale
3. quantitative

E.g.

• Can not say that 100/50=0 as the zero is not fixed as it is not mathematically correct
• But you can compare between different “suggestions”/intervals/numbers in the scale as its mathematically correct. (added values?)

Question 2

ratio scale?

Answer 2

1. zero is fixed
   –> weight
   –> area
   –> length
   etc
2. cardinal scale
3. quantitative
4. can multiple and divide

Question 3

ordinal scale?

Answer 3

?

Question 4

The Additive value model?

Answer 4

1. use when you already have only good options