Team Situation Awareness measurement using group aggregation and implication operators

Situation awareness (SA) has been received much attention from human factors and ergonomics community during the past two decades. Team working plays a vital role in complex dynamic situations, increasing requirements for sharing perceptions and comprehension of a situation among team members and improving team situation awareness have been merged. This paper presents a team SA measurement (TSAM) method taking both qualitative and quantitative information into consideration. The TSAM method uses a hierarchy to depict team¿s shared mental model, applies linguistic terms to represent individual SA and adopts a group aggregation strategy to integrate individual SA through indicator-specified implication operators. Example has shown its effective.