Table 1.

Some of the names of sensory scale factors and their triplet values

Scale factors	Names of linguistic variables	Values of triplets
2	Not satisfactory/Satisfactory	(0 0 100), (100 100 0)
	Bad/Good
3	Not satisfactory/Satisfactory/Good	(0 0 50), (50 50 50)
	Poor/Satisfactory/Good	(100 50 0)
4	Not Satisfactory/Satisfactory/Good/Excellent	(0 0 33.3), (33.3 33.3 33.3)
	Not Satisfactory/Satisfactory/Good/Very Good	(66.7 33.3 33.3), (100 33.3 0)
5	Very bad/Poor/Satisfactory/Good/Excellent	(0 0 25) (25 25 25)
	Not satisfactory/Fair/Medium/Good/Excellent	(50 25 25) (75 25 25)
		(100 25 0)
6	Not satisfactory/Fair/Satisfactory/Good/Very good/Excellent	(0 0 20) (20 20 20)
	Very bad/bad/Fair/Satisfactory/Very good/Excellent	(40 20 20) (60 20 20)
		(80 20 20) (100 20 0)