Person Trade-off Method
- Originally called the 'equivalence of numbers' method of creating a ' quality of well-being scale ', this is a method of assigning utilities to health states that works as follows: subjects are asked a question of the following kind: 'If x people have health state A (described) and y have health B, and if you can only help (cure) one group, which group would you choose?' One of the numbers x or y is then varied until the subject finds the two groups equally deserving of their vote. The undesirability (disutility) of situation B is x / y times as great as that of situation A and this ratio provides the index of the utility of one state relative to the other.
- acronymPTO (written as person trade-off method)
- synonymEquivalence of Numbers (written as person trade-off method)