Usability metrics for software components of a network

Learn how to create more usable, useful, and accessible websites. Since the two evaluation components computer and users can be either real or. Usability testing tests the following features of the software. Pdf usability metrics for software components semantic scholar. Choosing the right metrics for user experience uxmatters. Usability is the degree of ease with which products such as software and web applications can be used to achieve required goals effectively and efficiently. Usability is a quality attribute that assesses how easy user interfaces are to use. Instead we rely on the impact of good and bad usability to assess the quality of the user experience. Where a system or device is usable, usability evaluation methods also determine the extent of its usability, through the use of robust, objective and reliable metrics evaluation methods and metrics are thoroughly documented in the humancomputer interaction research and practitioner literature. Aided modeling and design of communication links and networks camad. Because of these and other issues, usability methods vary widely in software.

The usability metric for user experience umux is a fouritem likert scale used for the subjective assessment of an applications perceived usability. Usability metrics focus on how easily people can accomplish what theyve set out to do. We define, in a consistent way, usability metrics for software components. Uptime is the percentage that the server is available for use. Tullis and albert, the authors of our text, measuring the user experience, dedicate the majority of their book to metrics from definition and types to use and. Attributes from skill acquisition and network model sane 10. For software and physical products, the improvements are typically smaller but still substantial when you. Each component may be measured subjectively against criteria, e. Without measuring these, a project cant be completed successfully. In this position paper we present a collection of software component metrics focused on a main quality. This paper examines current approaches to usability metrics and proposes new approach for quantifyinga software quality in use, based on modeling the dynamic relationships of the attributes.

In the dusty institutions where usability standards gather to party with each other, iso 9241 is a bit of a celebrity. Usability metric for user experience interacting with. It comes under the heading of ux design, but is not the whole story of user experience design. Its important to measure effectiveness relative to these and to make sure we have quantitative and qualitative data to help us collect information and compare against benchmarks. Software metrics are a measure of some property of a piece of software or its specifications. Measurement inventory sumi, skill acquisition network sane, semi. But some structural qualities, such as usability, can be assessed only dynamically.

He holds 79 united states patents, mainly on ways of making the internet easier to. Measuring the usability of software components sciencedirect. On average, this will more than double a websites desired quality metrics yielding an improvement score of 2. Usability refers to how easily a user interacts with a website or product. Although not directly related to its performance, the uptime of the server is a critical metric. Citeseerx a method to standardize usability metrics into. The usability of a product is contextual and depends on the different roles of users, environments and tasks they need to do. Using a fuzzy comprehensive evaluation method to determine. Measuring software quality is motivated by at least two reasons. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Pdf usability metrics for software components researchgate. To test the proposed fuzzy usability evaluation framework, a standard summative usability test was conducted to benchmark the overall usability of a specific network management. We define, in a consistent way, usability metrics for software components based on the iso 9126 quality model.

Pdf usability metrics for software components antonio. This category of metrics includes all of the usability metrics that some ux teams are already. Current methods to represent system or task usability in a single metric do not include all the ansi and iso defined. Component based software development cbsd endeavors to deliver costeffective and quality software systems through the selection and integration of commercially available software components.

The graph below shows the difference in the types of metrics collected during both types of usability testing. There isnt a usability thermometer to tell you how usable your software or website is. Jakob nielsen defines key usability concepts give to your boss or anyone else. Usability evaluation the encyclopedia of humancomputer. Although measuring usability can cost four times as much as. Making usability metrics count in spite of a proliferation of books, articles and blogs explaining how to measure usability, few companies seem to put their usability metrics to good use. The goal is obtaining objective, reproducible and quantifiable measurements, which may have numerous valuable. Formative usability testing takes the role of a support tool for decision making during the beginning stages of the design process and if applied early in the development process provides valuable. In software projects, it is most important to measure the quality, cost, and effectiveness of the project and the processes. The model for measuring the usability has been developed in terms to determine the elements in measuring the behaviorness of the software. What is usability testing in software and its benefits to. Usability is inherent to software quality because it expresses the relationship between the software and its application domain.

Usability assesses the level of difficulty involved in. In the context of software engineering, software quality refers to two related but distinct notions. Usability is key factor for network monitoring software. For software and physical products, the improvements are typically smaller. Jakob nielsen is a danish web usability consultant. He holds 79 united states patents, mainly on ways of making the internet easier to use. Software component selection based on quality criteria. Usability can be described as the capacity of a system to provide a condition for its users to perform the tasks safely, effectively, and efficiently while enjoying the experience. It is widely cited by people who would be hard pushed to name any other standard, and parts. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Even if a metric is not a measurement metrics are functions, while. Trip report from a oneday seminar on usability metrics and methodologies.

Here are 10 metrics you should be familiar with and ready to use in any usability evaluation. Citeseerx usability metrics for software components. Intranets, extranets, and weblications are similar to traditional software design. This paper presents a set of measures to assess the usability of software components, and describes the method followed to obtain and validate. For all components, the appropriate sensors can not only be selected by the automatic network discovery but also manually with a 3click wizard. Pdf usability metrics for software components semantic. Before presenting the metrics, we will define the basic concepts on software measurement used in this paper, what we understand for usability in a cbsd framework, and the component information available to be measured. Usability is part of the broader term user experience and refers to the ease of access andor use of a product or website. To test the proposed fuzzy usability evaluation framework 1, a standard summative usability test was conducted to benchmark the overall usability of a specific network management software. Usability is increasingly recognized as an important quality factor for interactive software systems, including traditional guisstyle applications, web sites, and the large variety of mobile and. The word usability also refers to methods for improving easeofuse during the design process.