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Context-aware user effectiveness assessment system for mobile applications
Abstract
The number of mobile devices with Internet connectivity exponentially increases every year. Furthermore, these devices are more and more important not only in business contexts, but also in particular ones. The efficiency of a user performing a task with a mobile device can drastically vary because of its context dependency. Therefore, it is vital to measure the efficiency of the user regarding the surrounding environment. The current methods tend to discard the variation of characteristics of the context where a mobile application is executed. Through this work a new context and interaction model focused on mobile applications is exposed. First, the capture method that adds the minimum deviations caused by external factors to the assessment results has been studied. Then, a system based on a library for Android devices that captures and measures the defined model and the user efficiency is shown and validated.
... Debido a este problema se presenta una aproximación donde se proporciona una herramienta de evaluación remota en la que se puede evaluar la aplicación siendo conscientes de los tres grupos de factores de contexto. Para abordar la problemática explicada se ha diseñado una plataforma que toma como base la arquitectura mostrada por las herramientas de evaluación remota existentes (una plataforma web donde se puedan registrar los usuarios y realizar las pruebas) extendiéndola haciendo una adaptación de la librería expuesta en [19] para completar el contexto en uso. Dentro del desarrollo se ha optado por la plataforma Android [20] ya que se trata de un sistema operativo de código abierto y de muchas facilidades a la hora de publicar aplicaciones, lo que ha causado gran interés dentro de la comunidad científica. ...
Inside the usability research field, mobile devices have gained a lot of importance. This kind of devices has improved exponentially. They have acquired personal computer working capabilities and small sensors that enrich their software applications. However, the development of the usability field for these applications and devices has not improved at such a fast pace. Although there are several standards and evaluation methodologies, there are no specific remote evaluation tools for dynamic environments, which are very representative of this type of device contexts. Consequently, this paper describes a remote assessment platform that records context in use properties and user interactions with the mobile device. A preliminary evaluation of the platform using a real hybrid mobile application is presented, where the interaction bias level introduced by the assessment platform is studied.
In the scenario of ubiquitous mobile applications, it has increased the needs of effective/efficient approaches to evaluate the usability of these applications. The technical literature provides several evaluation approaches diffused in several sources, with different characteristics and classifications. This paper presents the results of a systematic mapping study that investigated usability evaluation approaches for (ubiquitous) mobile applications. At total, we identified 101 usability evaluation approaches for mobile applications, being 28 of them applied to ubiquitous mobile applications. They were classified according to some attributes, such as: type of evaluation technique, type of mobile apps to be evaluated, experiment used to evaluate the approach, usability attribute/factors to be evaluated, and characteristics of ubiquity evaluated by each approach, representing the state-of-art in this research field.
New communication and social interaction tools, such as social networks, are not usually designed taking into account collectives with little technological knowledge and interaction difficulties, as is the case of the elderly. This leads to an undesirable increase in the digital divide and the degree of isolation corresponding to these groups. Hence, in this work we propose the HiSozial platform, which, making use of person-oriented interfaces, service encapsulation, a combination of diverse interaction technologies and personalization, aims to make these tools accessible to the aforementioned collectives. We also present the evaluation carried out to demonstrate the validity of our proposal, including a comparative study with two applications which are not targeted at collectives with interaction difficulties.
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