“…Subsequently, attribute levels are grouped under each level of satisfaction. For instance, attribute levels (say, for headway) obtained under satisfaction level 1 are grouped under the head named ‘satisfaction 1’, and the same procedure is continued for satisfaction levels 2, 3, 4, and 5 ( Cheranchery et al, 2021 ). The attribute levels under each group are then arranged in ascending/descending order depending on the nature of the attributes.…”