Research Article
Malmquist Productivity Index by Extended VIKOR Method Using Interval Numbers
Table 5
A sample of filled up questionnaire.
| Question | Very low | Low | Medium | High | Very high |
| (1) What is the importance of the incomes criterion in a productivity performance of bank? | | ✓ | | | | (2) What is the importance of the loans criterion in a productivity performance of bank? | | | ✓ | | | (3) What is the importance of the deposits criterion in a productivity performance of bank? | | | | ✓ | | (4) What is the importance of the number of customers criterion in a productivity performance of bank? | | ✓ | | | | (5) What is the importance of the number of personnel criterion in a productivity performance of bank? | | | ✓ | | | (6) What is the importance of the total costs criterion in a productivity performance of bank? | | ✓ | | | |
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