request paper on usability
Ten usability heuristics
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Even though it is better if the system can be used without documentation, it may be necessary to provide help and documentation. Any such information should be easy to search, focused on the user's task, list concrete steps to be carried out, and not be too
A comparison of questionnaires for assessing website usability
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ABSTRACT: Five questionnaires for assessing the usability of a website were compared in a study with 123 participants. The questionnaires studied were SUS, QUIS, CSUQ, a variant of Microsoft's Product Reaction Cards, and one that we have used in our Usability Lab for
Severity ratings for usability problems
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Severity ratings can be used to allocate the most resources to fix the most serious problems and can also provide a rough estimate of the need for additional usability efforts. If the severity ratings indicate that several disastrous usability problems remain in an interface, it
Usability is quality of use
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In a paper at HCI International 1991, Bevan et al (1991) asked What is usability, and distinguished between broad and narrow approaches to usability. This paper builds on that distinction, identifying the broad approach to usability with the higher level quality
Usability testing of mobile applications: A comparison between laboratory and field testing
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Usability testing of mobile applications: a comparison between laboratory and field testing. Journal of Usability Studies,Abstract Usability testing a mobile
Measuring Desirability: New methods for evaluating desirability in a usability lab setting
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Abstract Difficulty can arise when a practitioner wants to get user input on intangibles such as desire and fun in a usability lab setting. This paper will introduce you to methods we've created to collect feedback on desirability and give some background on how we
Online communities: focusing on sociability and usability
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1 Background Millions of people meet online to chat, to find like-minded people, to debate topical issues, to play games, to give or ask for information, to find support, to shop, or just to hang-out with others. They go to chat-rooms, bulletin boards, join discussion groups or
A guide to GOMS model usability evaluation using GOMSL and GLEAN3
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The standard accepted technique for developing a usable system, empirical user testing, is based on iterative testing and design revision using actual users to test the system and help identify usability problems. It is widely agreed that this approach, inherited from Human 1. INTRODUCTION Virtual Environments (VEs) are a novel interface type offering new possibilities for human-computer interaction. Notable features of YEs include their structure as 3D graphical models which the user navigates through and interacts with, typically using natural
Breaking down usability
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ABSTRACT Good usability of a system is the main goal of interface designers. Determining the usability is usually done afterwards by performing usability tests with users or by going through checklists. On the other hand, design guidelines and design heuristics give the
Usability basics for software developers
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Contrary to what some might think, us- ability is not just the appearance of the user interface (UI). Usability relates to how the system interacts with the user, and it includes five basic attributes: learnability, efficiency, user retention over time, error rate, and sat- isfaction.
Usability testing at the University of Arizona Library: how to let the users in on the design
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While the business world has made great strides in focusing on customer service by studying customers' needs and behaviors, libraries have tended to structure their holdings and services around what they believed was good for their customers. It is the" librarians
Usability issues in web site design
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Abstract Unless a web site meets the needs of the intended users it will not meet the needs of the organization providing the web site. Web site development should be user-centred, evaluating the evolving design against user requirements. The first step is to define the
Adaptive systems: a solution to usability problems
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Improving the usability of computer systems is perhaps the most important goal of human- computer interaction research. Current approaches to usability engineering tend to focus on simply improving the interface. An alternative is to build intelligence into the system.
The system usability scale and non-native english speakers
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Abstract The System Usability Scale (SUS) was administered verbally to native English and non-native English speakers for several internally deployed applications. It was found that a significant proportion of non-native English speakers failed to understand the word
Anonymity Loves Company: Usability and the Network Effect.
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Other chapters in this book have talked about how usability impacts security. One class of security software is anonymizing networks overlay networks on the Internet that provide privacy by letting users transact (for example, fetch a web page or send an email) without
Eye tracking in usability evaluation: A practitioner's guide
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ABSTRACT This chapter provides a practical guide for either the software usability specialist who is considering the benefits of eye tracking, or for the eye tracking specialist who is considering software usability evaluation as an application. The basics of industrial
Usability for Mobile Commerce Across Multiple Form Factors.
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ABSTRACT Current research on usability for mobile commerce has focused on single platforms and very limited aspects of commerce activities. We conducted an exploratory study to examine usability problems and to identify potential research questions
A Usability Study and Critique of Two Password Managers.
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Abstract We present a usability study of two recent password manager proposals: PwdHash and Password MultiplierBoth papers considered usability issues in greater than typical detail, the former briefly reporting on a
Beauty in usability: forget about ease of use
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Despite years of usability research, electronic products do not seem to get any easier to use. The design of electronic products appears to be in a dead-end street. It is time to experiment with fresh approaches. In this paper we offer a new approach based on respect for the
Research-based web designusability guidelines
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Background These new HHS Web usability Guidelines carry forward one of the most enduring success stories in user interface design. They continue the noble tradition of thoughtful practitioners who have hacked their way through the unruly design landscape
Neuro rehabilitation using the virtual reality based Rehabilitation Gaming System: methodology, design, psychometrics, usability and validation
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Abstract Background: Stroke is a frequent cause of adult disability that can lead to enduring impairments. However, given the life-long plasticity of the brain one could assume that recovery could be facilitated by the harnessing of mechanisms underlying neuronal
What is the difference between the purpose of usability and user experience evaluation methods
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ABSTRACT There are different interpretations of user experience that lead to different scopes of measure. The ISO definition suggests measures of user experience are similar to measures of satisfaction in usability. A survey at Nokia showed that user experience was
Improving web site usability and appeal
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Note The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on
An empirical comparison of lab and remote usability testing of web sites
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ABSTRACT This paper presents the results of two studies comparing traditional lab-based usability testing and remote Webbased usability testing of Web sites. Two sites were tested: an employee benefits site and a financial information site. The remote tests used an
Process agility and software usability: Toward lightweight usage-centered design
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Abstract. A streamlined and simplified variant of the usage-centered process that is readily integrated with lightweight methods is outlined. Extreme programming and other so-called agile or lightweight methods promise to speed and simplify applications development. USABILITY IS MOSTLY MEASURED ON A simple, two-value scale: it's terrible or it's okay. Your early design efforts are usually terrible; you keep improving them until they are okay, then you ship. Most usability engineering is qualitative in nature: you observe how users
The usability methods toolbox handbook
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Welcome to the Usability Methods Toolbox! I've attempted to compile information about almost all of the methods and techniques (well, ok, a lot of them) used in usability evaluation. I hope you find helpful information here, or at least a pointer to additional information that
Usability and the bottom line
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ABSTRACT There's little debate that usability engineering benefits end users, but its benefit for companies and the people who work for them is less widely known. The author discusses these broader usability benefits and also how to use a cost-benefit analysis to
Eye tracking and its application in usability and media research
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Over the last ten years the Internet has become an incredibly important media in everyday life of ordinary people. By now the World Wide Web is not a foreign concept anymore; millions of people make use of the internet in terms of e-mail, online banking, online shops ABSTRACT p Despite its highly touted capabilities, the World Wide Web continues to generate substantialfrustration among users. The difficulty locating pertinent information, delays in downloadingcontent, and the need to sort through numerous hits for a single
Configurative Process Modeling Outlining an Approach to increased Business Process ModelUsability
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ABSTRACT Business processes comprise an indispensable element of the behavior of contemporary organizations rendering Business Process Management essential. Information models are a valuable tool for providing information on business processes.
Subjective duration assessment: An implicit probe for software usability
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SUMMARY This paper explores a new approach to gauging users' difficulties with tasks, interfaces, and situations we refer to as subjective duration assessment. The approach, adapted from results described in the interruption literature in psychology, centers on the
Investigation of the usability of conebeam CT data sets for dose calculation
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Address: One definition of usability is quality in use. 1 In simple terms, it reflects how easy the software is to learn and use, how productively users will be able to work, and how much support users will need. A system's usability does not only deal with the user interface; it also
Usability evaluation
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The International Organization for Standardization (ISO) defines Usability of a product as the extent to which the product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use. Usability has
Pass-Go: A Proposal to Improve the Usability of Graphical Passwords.
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Abstract Inspired by an old Chinese game, Go, we have designed a new graphical password scheme, Pass-Go, in which a user selects intersections on a grid as a way to input a password. While offering an extremely large full password space (256 bits for the most
Experimental evaluation of techniques for usability testing of mobile systems in a laboratory setting
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Abstract Usability testing of systems for mobile computers and devices is an emerging area of research. This paper presents and evaluates six techniques for usability testing of mobile computer systems in laboratory settings. The purpose of these techniques is to facilitate
Identifying Usability Issues with an ERP Implementation.
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Abstract: Enterprise Resource Planning (ERP) systems hold great promise for integrating business processes and have proven their worth in a variety of organizations. Yet the gains that they have enabled in terms of increased productivity and cost savings are often
Classifying and selecting UX and usability measures
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ABSTRACT There are many different types of measures of usability and user experience (UX). The overall goal of usability from a user perspective is to obtain acceptable effectiveness, efficiency and satisfactionThis paper
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