Exam 14: Decision Making Considering Multiattributes

A leading fashion magazine is planning for its first swimsuit cover of this year. Three swimsuit models are nominated in the meeting. The editor has developed the matrix of outcomes for each model and their attributes in the table below. Demonstrate what the editor can conclude using each of the dominance, satisficing, disjunctive resolution, lexicography, and additive weighting methods. Attributes Weigh t Model A Model B Model C Acceptable Ra del fee 0.33 \ 30,000 \ 29,000 \ 31,500 \ 29,000- \ 35,0 position 0.18 89 96 94 94-100 ality of shooting portfolios 0.28 89 96 94 89-100 ysical attributes 0.48 92 93 91 92-100 pularity 0.26 86 96 87 87-100

A couple, both recently graduated engineers, are deciding on some details for their honeymoon. They have looked at a "honeymoon suite review" for their hotel of interest on the internet and have developed a matrix of outcomes that is presented in the table below. They decide to use the satisficing, nondimensional scaling, and additive weighting methods to help make their decision. Assume the nondimensional values given to the ratings were excellent = 1.0, good = 0.8, fair = 0.5, and poor = 0.1. What can they conclude? Attributes Weight Alternative I Alternative II Alternative III Acceptable Ra st per night 0.21 \ 29,000 \ 27,000 \ 26,000 \ 26,000- \ 30,0 tel condition 0.20 Good Good Excellent Good- Excelle tel service 0.33 89 91 97 92-100 om cleanliness 0.16 96 98 99 96-100 om comfort 0.28 90 95 100 95-100

Given the matrix of outcomes in the table below for alternatives and attributes, what conclusions can be drawn using the satisficing and dominance methods? Attributes Alternative I Alternative II Alternative III Acceptable Range A 85 100 55 60-100 B 7 5 2 5-10 Good Good Excellent Good- Excellent 16 18 4 18-20 \ 29,000 \ 19,000 \ 24,000 \ 10,000-\ 30,000

David recently accepted a job in Florida and wants to buy a new condominium. The matrix of possible outcomes is given in the table below. What can David conclude using nondimensional scaling and additive weighting? n Attributes Weight Alternative I Alternative II Alternative III Acceptable Ra e 0.30 \ 220,000 \ 270,000 \ 320,000 \ 220,000-\ 320, side view 0.20 9 8 7 8-10 tance from work 0.25 11 21 36 11-21 ghborhood 0.10 Good Fair Excellent Good- Excelle ected increase in property ue at the end of 5 years 0.15 19\% 11\% 16\% 11\%-\ 16 Attributes Weight Alternative I Alternative II Alternative III Acceptable Ra e 0.30 \ 220,000 \ 270,000 \ 320,000 \ 220,000-\ 320, side view 0.20 9 8 7 8-10 tance from work 0.25 11 21 36 11-21 ghborhood 0.10 Good Fair Excellent Good- Excelle ected increase in property ue at the end of 5 years 0.15 19\% 11\% 16\% 11\%-\ 16

Upon her graduation, Britney wants to buy her first car. Given the matrix of outcomes and rank of importance in the table below for alternatives and attributes, use the satisficing, dominance, disjunctive resolution, and lexicography methods to counsel Britney on her choice. Attributes Rank* Model Model Model Acceptable (1-most I II III Range important) 1 \ 25,000 \ 24,000 \ 22,000 \ 22,000- \ 24,0 thetic appeal 4 68 78 88 68-88 mileage 2 22.8 23.5 25.5 24-25.5 gage space 5 Fair Good Excellent formance on 3 78 85 87 85-100 road