44 research outputs found

    How to Achieve Goals in Digital Games: An Empirical Test of a Goal-Oriented Model in Pokemon GO

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    To effectively design digital games and gamified systems, it is important to properly understand the psychological and behavioral processes that players use to reach goals. Although numerous prior studies have examined individual adoption, use, and continued use of digital games, few attempts have been made to understand how people desire and strive to achieve goals. The objective of this study is to develop and test a model of individual achievement of goals in digital gaming. Drawing upon theories of goal-directed behavior, we propose a conceptual model describing goal setting, goal striving, goal attainment, and feedback evaluations in the context of mobile gaming. To empirically test the proposed model, we collected two sets of (cross-sectional and longitudinal) data from 407 users of Pokemon GO. The results generally indicate that goal-directed effort plays an important role in translating goal desire into goal attainment. In addition, we found prior game points and goal desire have interaction effects on goal-directed effort and the subsequent acquisition of game points. Finally, this study shows that action strategies such as in-game payment and deliberate planning have differential effects on goal-directed effort and satisfying experiences. Overall, our findings provide empirical support for the efficacy of our goal-oriented model as a theoretical tool for explaining the process of goal striving to obtain game points. Our findings not only have important implications for digital gaming but also contribute to emerging research on gamified systems

    Socio Cognitive and Affective Processing in the Context of Team-Based Gamified ERP Training: Reflective and Impulsive Model

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    Team-based enterprise gamification is designed to support teamwork and increase productivity within the organization in order to derive positive business outcomes through its own employees. While there have been a number of studies on gamification, they have mainly focused in the individual as the unit of analysis. Based on Reflective and Impulsive Model, the purpose of this study is to examine the effects of team-level reflective and impulsive determinants in the context of gamified ERP training. Our research model proposes that team absorptive capacity and team mood influence individuals’ ERP competence and hedonic motivation, which in turn affect intention to learn about ERP systems

    Dataset on electro-optically tunable smart-supercapacitors based on oxygen-excess nanograin tungsten oxide thin film

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    The dataset presented here is related to the research article entitled ???Highly Efficient Electro-optically Tunable Smart-supercapacitors Using an Oxygen-excess Nanograin Tungsten Oxide Thin Film??? (Akbar et al., 2017) [9] where we have presented a nanograin WO3 film as a bifunctional electrode for smart supercapacitor devices. In this article we provide additional information concerning nanograin tungsten oxide thin films such as atomic force microscopy, Raman spectroscopy, and X-ray diffraction spectroscopy. Moreover, their electrochemical properties such as cyclic voltammetry, electrochemical supercapacitor properties, and electrochromic properties including coloration efficiency, optical modulation and electrochemical impedance spectroscopy are presented

    DFT study of carbazole derivatives dehydrogenation on Pd(111) catalyst

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    The carbazole derivatives such as 9-ethylcarbazole have been studied as a potential hydrogen storage candidate. It is found that these materials can store hydrogen under moderate-to-ambient conditions in liquid state so that the transportation of hydrogen would be convenient. Besides, the reversibility of hydro/dehydrogenation is much better than the existing solid type of hydrogen storage carriers. However, the major problem for carbazole derivatives which contain ethyl and acetyl group is the cleavage between functional group and carbazole. Therefore, the hydrogen carrier must be regenerated cyclically, which lead to an increase in operational cost. In this work, the Density Functional Theory calculations are performed to understand the dehydrogenation reaction mechanism and decomposition of 9-ethy/acetylcarbazole on Pd(111). The secondary alcohol hydrogenated acetyl group distort the hydrogenated form of 9-acetylcarbazole on Pd(111), which lead to reducing activation energy. With respect to decomposition of functional group, 9-ethylcarbazole is slightly more stable than 9-acetylcarbazole. These results suggest the direction of molecular design for hydrogen storage materials

    A molecular modeling study of carbazole-based organic polycyclic compounds for hydrogen storage applications

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    Liquid organic hydrogen carriers (LOHCs) such as 9-ethylcarbazole and amine-borane have been proposed as potential hydrogen storage materials. These materials can store hydrogen under moderate-to-ambient conditions in liquid state so that the conventional fuel transport facilities can be used without significant modification. Furthermore, hydro/dehydrogenation reactions occur in much more reversible manner than solid type-hydrogen storage materials. Even though some candidate molecules such as 9-ethyl carbazole showed considerable hydrogen storage capacity, still there are some gaps for storage target and reusability suggested by DOE. In this study, thermodynamic evaluation and dehydrogenation reaction mechanism of carbazole-based compounds were performed to find new candidates of LOHCs beyond current storage capacity and reusability by molecular modelling and simulation technique. It was found that 9-acetylcarbazole was a more promising hydrogen storage candidate in terms of thermodynamic standards compared with the group of carbazole derivatives. These results provide an evaluation of the feasibility of proposed hydrogen storage candidate and suggest the direction of molecular design for hydrogen storage materials

    Wide-Color-Gamut and High-Dynamic-Range Color-Image Encoding Scheme Based on CIECAM02

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    We propose a new image-encoding scheme for a wide-colorgamut/high-dynamic-range display. The proposed scheme consists of two stages: color conversion from input XYZ to an opponent color space (based on CIECAM02), and high-dynamicrange encoding. A sub-sampling test shows that the proposed scheme performs better than previous models
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