Research Article

Supplier Evaluation Process by Pairwise Comparisons

Table 1

Comparison scale.

Code Definition of intensity or importance Application

1 Equal importance Two criteria equally contribute to the objective or lack of knowledge to compare them

2 Essential or strong importance Experience and judgments favor one criterion over another

3 Absolute importance The highest affirmation degree of favoring one criterion over another

1.4, and so forth Intermediate judgments When compromise is needed