Table 1 Problem structuring phases

1. Characterize decision-maker(s) and other actors

2. Identify goals

3. Establish criteria

4. Establish space for actions and problems

5. Identify uncontrolled factors

6. Design the preference modelling

7. Carry out an intra-criteria assessment

8. Carry out an inter-criteria assessment

9. Evaluate alternatives

10. Carry out sensitivity analysis

11. Analyse results and make recommendations

12. Implementing the decision