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Improving individuals' low-carbon awareness has become an important research topic. Gamification design is regarded as a potential IT solution to this social problem. Although much research is concerned with the effect of low-carbon awareness to improve individuals' behaviour, little attention has been paid to exploring how to improve low-carbon awareness, especially in the context of green gamification. To fill this research gap, our study uses the cognitive dissonance theory to build a theoretical model for exploring the impacts of green gamification factors on individuals' low-carbon awareness. The model is also used to explore the mediating role of cognitive dissonance and the moderating effect of emotional dependence. Empirical results reveal that visibility of achievement, competition, and interactivity have positive impacts on users' cognitive dissonance, which further positively affect users' low-carbon awareness. In addition, users' emotional dependence positively moderates the relationship between green gamification factors and users' cognitive dissonance. These results extend the cognitive dissonance theory and the literature on green gamification. New insights and practical implications for the designers of gamification application and environmental protection organisations are also provided in our study. [ABSTRACT FROM AUTHOR]

In container terminals, the planned berth schedules often have to be revised because of disruptions caused by severe weather, equipment failures, technical problems and other unforeseen events. In this paper, the problem of berth schedule recovery is addressed to reduce the influences caused by disruptions. A multi-objective, multi-stage model is developed considering the characteristics of different customers and the trade-off of all parties involved. An approach based on the lexicographic optimization is designed to solve the model. Numerical experiments are provided to illustrate the validity of the proposedModel Aand algorithms. Results indicate that the designedModel Aand algorithm can tackle the berth plan recovery problem efficiently because the beneficial trade-off among all parties involved are considered. In addition, it is more flexible and feasible with the aspect of practical applications considering that the objective order can be adjusted by decision makers. [ABSTRACT FROM PUBLISHER]

How to improve users' health management performance is an important challenge for practitioners of digital health platforms. Gamification is considered a potential method to encourage individuals to engage in health management and improve the level of their health management performance. To better understand the role of gamification in the health management context, this study investigates the influence of the achievement mechanism on the health management performance, as well as the moderating effects of social network and health condition. This study collected 1554 users' data (54.4% female and 45.6% male, age: 18–35) from an online health community in China and built a regression model combined with the U test estimation algorithm to examine the research hypotheses. The results of the empirical model show an inverted-U relationship exists between level of achievement and the level of health management performance. Moreover, our research shows that the size of the social network and the health condition negatively moderate the inverted-U relationship. These findings facilitate an understanding of the role of gamification in the health management context. Further, the study contributes to goal setting theory and provides new insights and suggestions for users and designers of health management platforms and online health communities. • We built a regression model combined with the U test estimation algorithm. • We find an inverted-U relationship exists between achievement and performance. • The size of the social network negatively moderates the inverted-U relationship. • Individuals' health condition diminishes the inverted-U relationship. • This paper facilitates an understanding of gamification in health management. [ABSTRACT FROM AUTHOR]