of negative word-of-mouth on consumers' perceived helpfulness. Design/methodology/approach The research model was …-of-mouth negatively affects altruistic motive attributions, while altruistic motive attributions positively affect perceived helpfulness … attributions and perceived helpfulness, with the negative effects of emotional intensity of negative word-of-mouth on altruistic …

. Therefore, competitiveness analysis research to combine with the perceived helpfulness study needs urgent solution. Furthermore …, deviations exist in the three common methods of perceived helpfulness research. Finally, the traditional information fusion … competitive environment. Design/methodology/approach This study puts forward a novel prediction model of perceived helpfulness in …