MACBETH

Question 1

step 1

Answer 1

right click on overall and add a node

Question 2

step 2

Answer 2

add upper and lower reference by right clicking

–Z cannot be changed in the linear by part chart

Question 3

not criterias nodes?

Answer 3

in blue

–> to gain understanding in the tree

Question 4

when adding a node

Answer 4

1. name
2. DISCRIPTOR –>qualitative/quantitative/ direct comparison
   - -> qualitative (
   - -> quantitative
   - -> direct comparison
3. short name

Add good and neutral level
–> neutral must always be less attractive than good

Problem not using descriprot

• -> not generic result
• -> compare all options against each other

Question 5

in the matrix

Answer 5

1. begin in left corner
2. how big is the difference? No difference, very week
3. begin with the line closest to the diagonal
4. build Macbeth scale
5. validate scale
   - -> validate through differences when you have an interval scale
   - -> change the scales in the chart according to how the decision maker thinks
6. weighting
   - -> judgement
   - -> difference between good and neutral
   - ->

Question 6

dfference interval scale and ratio scale?

Answer 6

1. ratioscale
   - -> weight of model
   - -> “weight on criteria one is 4 times bigger then criteria 4”
   - -> has an absolute 0
2. interval scale
   - -> temperatur
   - -> has not an absolut zero
   - ->validate through differences when you have an interval scale