Feature-based hesitant fuzzy aggregation method for satisfaction with life scale

Satisfaction with life scale is a comprehensive cognitive judgement of individual’s own life and becomes the dominant measure of life satisfaction. However, the individual may hesitate to assess his/her life satisfaction with a single value due to multiple criteria. Consequently, we propose the hesitant fuzzy satisfaction with life scale (HFSWLS) with the same form as hesitant fuzzy element (HFE), consisting of several possible values of the...