Research Article

Combining Fuzzy MCDM with BSC Approach in Performance Evaluation of Iranian Private Banking Sector

Table 1

Membership function of linguistic scales.

Linguistic scaleTriangular fuzzy scaleTriangular fuzzy reciprocal scale

Just equal( 1 , 1 , 1 )( 1 , 1 , 1 )
Equally important( 1 , 1 , 3 )( 1 / 3 , 1 , 1 )
Weakly important( 1 , 3 , 5 )( 1 / 5 , 1 / 3 , 1 )
Strongly important( 3 , 5 , 7 )( 1 / 7 , 1 / 5 , 1 / 3 )
Very strongly important( 5 , 7 , 9 )( 1 / 9 , 1 / 7 , 1 / 5 )
Absolutely important( 7 , 9 , 9 )( 1 / 9 , 1 / 9 , 1 / 7 )