A fuzzy linguistic go/no-go decision model in new product development

New product development (NPD) is a quite risky and uncertain process. In order to reduce the risks and uncertainties, the firms need to evaluate their new product at each step carefully and make accurate decisions. This paper focuses on uncertain go/no-go decisions in the NPD process. To do so, a probabilistic approach is firstly proposed to elicit a probability distribution of the gateteam's judgement. Secondly, a probabilistic approach is proposed to perform group and multicriteria aggregation with the random interpretation of group weights and criteria weights.