Group items tagged

Abstract :"Quality of experience (QoE) is a measure of the customer's experience with a service. In an online gaming scenario, players expect the experience to be realistic, continuous and precise. It is important to know not just the end user's experience but also the probable cause of the experience, good or bad. Understanding the cause is essential for improving the game design via a feedback loop, which in turn con- tributes towards game longevity. We begin by focussing on two broad categories of the QoE measurement tech- niques for gaming scenario, subjective and objective measurement. We then study two frameworks, One-Click[4] and Perceptual View Inconsistency[5] from the perspec- tive of the scenarios in which they can be applied, their ability and more importantly, their inability to measure certain aspects of end user experience, and the diculties encountered while applying these techniques. Subsequently, we try to propose a sim- ple scheme in which both of these techniques can be used to complement each other in a real life scenario, and get the best out of both."

Abstract: "Cloud gaming now makes any computer game playable on a thin client without the previous worries and frustrations about the hardware requirements. It frees players from the need to frequently upgrade their computers as they can now play games that are hosted on remote servers with a broadband Internet connection and a thin client. However, cloud games are intrinsically more susceptible to latency than online games because game graphics are rendered on cloud servers and thin clients do not possess game state information that is required by delay compensation techniques. In this paper, we investigate how the response latency in cloud gaming would affect users' experience and how the impact of latency on players' experience varies among different games. We show that not all games are equally friendly to cloud gaming. That is, the same degree of latency may have very different impacts on a game's quality of experience depending on the game's real-time strictness. We thus develop a model that can predict a game's real-time strictness based on the rate of players' inputs and the game screen dynamics. The model can be used to simultaneously enhance players' gaming and optimize the operation cost of data centers."

Abstract: "Cinematography is a key aspect in the development of mod- ern computer games. The quality of the visuals depends, not only on the accuracy of the rendering, but on the way that the scene is presented to the player. Which element should be included in the frame, from which point of view and in which positions are all aspects that have been widely stud- ied in classical cinematography. However, it is still unclear how the principles developed for the lm medium are ap- plicable to an interactive medium such as computer games. This article presents a study, which explores the interplay between cinematography and player experience. The results of the experiment demonstrate the existence of an impact of the cinematographic behaviour of camera on both player's aect and her in-game behaviour. Furthermore, this impact is dependent on the game mechanics highlighting once more the dierence between classic cinematography and game cin- ematography"

Abstract: "Through the use of an online discussion, this study collected the detailed perspectives of 29 'hardcore' and 'casual' gamers, regarding the topic of FPS video games. It investigates what the gamers want in a FPS by means of an online discussion which builds on the benefits of both ethnography and focus group methodologies. Since the study's main goal was exploratory, a qualitative approach was considered the most appropriate; in addition to this, the method used to collect the data was done within a grounded theory framework. This study finds that, though graphics have historically been a major factor in driving the success of a FPS video game, this is no longer the case. Gamers expect there to be a balance between the different components, with a more holistic gaming experience desired, and that too much focus on one component at the expense of another will result in an unsatisfactory video game experience. This can be seen in comments given by the participants indicating too much emphasis of the graphics quality in a FPS and not enough on story or the multiplayer aspects results in a video game which is neither fun nor praiseworthy. The latter is perceived significant as with such an oversaturation in the video game market, developers rely heavily on positive word of mouth to advertise their games. This study's main goal was to develop a better understanding of the expectations of gamers regarding FPS; in doing so, it has laid out the basis for producing a 'magic formula' for a great FPS video game. It has also highlighted several other areas which need further investigation in order to better understand the behavioural motives and actions of gamers from both 'hardcore' and 'casual' communities."

"effect of game reviews on player experience and perceptions of quality. We show that negative reviews cause a significant effect on how players perceive their in-game experience, and that this effect is a post-play cognitive rationalization of the play experience with the previously-read review text. To address this effect we designed and deployed a new heuristic evaluation technique that specifically uses game reviews to create a fine-grained prioritized list of usability problems based on the frequency, impact, and persistence of each problem. By using our technique we are able to address the most common usability problems identified by game reviews, thus reducing the overall level of negativity found within the review text. Our approach helps to control and eliminate the snowballing effect that can be produced by players reading reviews and subsequently posting their own reviews, and thus improve the commercial success of a game."

Abstract: "Cloud gaming provides game-on-demand (GoD) services over the Internet cloud. The goal is to achieve faster response time and higher QoS. The video game is rendered remotely on the game cloud and decoded on thin client devices such as tablet computer or smartphone. We design a game cloud with a virtualized cluster of CPU/GPU servers at USC GamePipe Laboratory. We enable interactive gaming by taking full advantage of the cloud and local resources for high quality of experience (QoE) gaming. We report preliminary performance results on the game latency and frame rate. We find 109 ~ 131 ms latency in using the game cloud, which is 14% ~ 38% lower than 200 ms latency experienced on a thin local computer. Moreover, the frame rate from the cloud is 25% ~ 35% higher than that of using a client computer alone. Base on these findings, we anticipate game cloud to have a performance gain or QoS improvement of 14% ~ 38% over video gaming on a thin client device such as a smartphone or a tablet computer."

Abstract: "In this study, we device a digital game, which possessed scientific and fun, base on the conception of insects (DGBI), then can use it to test elementary school student's conception about insect. The DGBI materials creating pattern use as the ADDIE model. First step is to analyze the DGBI materials. We analyze student's alternative conceptions of insect and what the teaching staff needs to teach in the section of insect, and then we develop three teaching units, namely the ―Bugs Adventure‖, ―Legs and Wings "and" Mouthparts and feeding habits‖. Second, design the DGBI. Making DGBI has a clear teaching aim, multi-learning strategy like conception puzzle, computer simulation and conception mapping etc, an artistic and convenient operating media interface and a learning content that is easy to understand by the words and video in the DGBI materials. Third, develop the DGBI. Developing DGBI includes making animation component and composing animation component, these animation components makes 94.4% of students prefer to use DGBI materials to learn the conceptions of insect, especially the constructional detail magnify function and interactive game design in the teaching materials increase the student's learning interest. Forth, implement DGBI. We invite Two national college professors and four senior science teachers to use DGBI, and then we interview them to collect the testing amendments, and corrected it.Fifth, evaluate DGBI. We use quasi-experiment design and questionnaire survey to evaluate DGBI. In the quasi-experiment design, we select 111 students for four classes in an elementary school in New Taipei City and ask them to use DGBI, and then we tested them by the ―Insects Conceptions test‖. We found that after using the DGBI materials, the student's post-test scores (13.64) is higher than the pre-test scores (7.55), and there are significant differences (t = 16.47,p = .00)and helps the student to establish the correct concept of insect

Abstract: "Design techniques can have an important effect on how video games teach and players learn. The ability to harness these techniques in the design of educational video game can impact the motivation and engagement of playing and learning by creating more options for players to connect with game content as well as to other players. This article focuses on the design phase of the game development process and highlights the role of some techniques that can be used to design a successful educational video game (guidelines and design patterns). These techniques provide information on good practice and form a basis for evaluating the educational video game quality, acting as useful tools for developers to enhance video game playability. To this end, we have presented a set of guidelines and design patterns in order to provide an acceptable level of playability and, in this way, a better player experiences and learning achievement."

"Online games increasingly sell virtual goods to generate real income. As a result, it is increasingly important to identify factors and theory of consumption values that affect intent to purchase virtual goods in online games. However, very little research has been devoted to the topic. This study is an empirical investigation of the factors and theory of consumption values that affect intent to purchase virtual goods in online games. The study determines the effects of game type, satisfaction with the game, identification with the character, and theory of consumption values on intent to purchase virtual goods. The study used a survey to collect information from 523 virtual game users. Study results showed that game type is a moderating variable that affects intent to purchase virtual goods. And it demonstrated that role-playing game users are affected by theory of consumption values: functional quality, playfulness, and social relationship support. Moreover, war-strategy game users are affected by satisfaction with the game, identification with the character, and theory of consumption values: price, utility, and playfulness. The study also presents conclusions, proposes applications, and describes opportunities for further research."

abstract: "Creating graphical user interfaces (GUI) for stereoscopic 3D (S3D) games is a difficult choice between visual comfort and effect. We present a S3D Game GUI Design Space and a list of S3D-specific attributes that emphasizes integrating visually comfortable interfaces into the game world, story and S3D view. To showcase our approach, we created two GUI concepts and evaluated them with 32 users. Our results show quality improvements for a combination of bottom position and visual attachment for a menu. In a referencing interface, placing the reference near to the target depth significantly improved perceived quality, game integration, and increased presence. These results confirm the need to create S3D GUIs with perceptual constraints in mind, demonstrating the potential to extend the user experience. Additionally, our design space offers a formal and flexible way to create new effects in S3D GUIs."

"The design and development of commercial AAA videogames is a difficult and complex endeavor. It involves large development teams that together aim to create high quality, entertaining games that sell well. Up to now, very few scholars have documented or problematized this practice."

Abstract: "The video games industry develops ever more advanced technologies to improve rendering, image quality, ergonomics and user experience of their creations providing very simple to use tools to design new games. In the molecular sciences, only a small number of experts with specialized know-how are able to design interactive visualization applications, typically static computer programs that cannot easily be modified. Are there lessons to be learned from video games? Could their technology help us explore new molecular graphics ideas and render graphics developments accessible to non-specialists? This approach points to an extension of open computer programs, not only providing access to the source code, but also delivering an easily modifiable and extensible scientific research tool. In this work, we will explore these questions using the Unity3D game engine to develop and prototype a biological network and molecular visualization application for subsequent use in research or education. We have compared several routines to represent spheres and links between them, using either built-in Unity3D features or our own implementation. These developments resulted in a stand-alone viewer capable of displaying molecular structures, surfaces, animated electrostatic field lines and biological networks with powerful, artistic and illustrative rendering methods. We consider this work as a proof of principle demonstrating that the functionalities of classical viewers and more advanced novel features could be implemented in substantially less time and with less development effort. Our prototype is easily modifiable and extensible and may serve others as starting point and platform for their developments. A webserver example, standalone versions for MacOS X, Linux and Windows, source code, screen shots, videos and documentation are available at the address: http://unitymol.sourceforge.net/."

From the abstract: "This paper will examine the relationship of pattern recognition and Gestalt principles to procedural form in gameplay. It will identify key features of pattern based play mechanics and outline important synergies between programming paradigms and procedural form. In the course of the paper I will examine the formal and aesthetic qualities of procedural structures and discuss how they generate the experience of psychological flow. I will also identify the role of these mechanisms and their effects in current game design."

From the abstract: "In this paper, I present and compare a number of cross-platform compilers. While the overview alone indicates which cross-compiler may be appropriate for the needs of a given project, the study in this paper reaches beyond that. I also present tools to support the development process and using them I create a working title. It leads to a series of tests measuring the quality of experience and showing that even very simple methods may have impact on the end-user."