From: Empowerment of individuals in Iranian health systems: a qualitative study using the Z-cognitive map approach
Linguistic variable
Without Z-number
With Z-number (\(\widetilde{A},\widetilde{R}\))
\(\widetilde{A}\)
\(\widetilde{R}\)
High
Medium
Triangular fuzzy number
(0.5, 0.75,1)
(0.25,0.5,0.75)
Value
0.75
0.375