Commentary on “A new generalized improved score function of interval-valued intuitionistic fuzzy sets and applications in expert systems”

In this paper, we demonstrate that the Theorem 3.1 in a recently published paper by Garg [Appl. Soft Comput. 38 (2016) 988-999] is incorrect by a counterexample. Further, we point out the shortcomings of Garg's proposed generalized improved score function for practical decision making.