Relevant bibliographies by topics / Task-based usability testing

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Task-based usability testing'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Task-based usability testing"

1

Yuliyana, Tifani, I. Ketut Resika Arthana, and Ketut Agustini. "Usability Testing pada Aplikasi POTWIS." JST (Jurnal Sains dan Teknologi) 8, no. 1 (July 21, 2019): 12. http://dx.doi.org/10.23887/jst-undiksha.v8i1.12081.

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This research was conducted to evaluate POTWIS application by highlighting three usability concepts that effectiveness, efficiency, and the satisfaction of the user in using POTWIS application measured by usability testing methode, Performance Measurement, RTA, UEQ, and SUS technique. The purpose is to know the result of usability testing and improvement recommendation on POTWIS application based of the result of usability testing.The result of this research is based on analysis of statical calculation Mann Whitney U Test, UEQ dan SUS which showed (1) POTWIS application is not effective seen from the existance of the mistake made by respondent during the task, (2) POTWIS application is efficient seen from the time of task execution because the execution time between proficient group and beginner group was not significantly different, (3) POTWIS application has not met the scale of efficiency measured by UEQ with score 0.625 which showed below the average and (4) POTWIS application has not fulfilled user satisfaction measured by SUS with score 53.00 which is stated still below the average score is > 68.
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Cornet, Victor P., Carly N. Daley, Preethi Srinivas, and Richard J. Holden. "User-Centered Evaluations with Older Adults: Testing the Usability of a Mobile Health System for Heart Failure Self-Management." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 61, no. 1 (September 2017): 6–10. http://dx.doi.org/10.1177/1541931213601497.

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Many older adults living with heart failure struggle to follow recommended self-management routines. To help older adults with heart failure more effectively and efficiently self-manage their disease, we developed Engage, a mobile health application promoting the performance, logging, and sharing of routine self-management behaviors. This paper reports on the usability evaluation of the Engage system with 15 older adults with heart failure and informal caregivers. In two phases, participants used Engage during a task-based usability test (n=5) and a scenario-based usability test (n=10). Usability and performance data were assessed through video-recorded observation and the administration of the system usability scale (SUS) and NASA Task Load Index (TLX). We found that task-based testing was useful in quickly identifying problems within our application, but scenario-based testing elicited more valuable feedback from older adults. A comparison of the different evaluation methods used and the discussion of the challenges encountered provide multiple implications for the practice of usability testing of mobile health products with older adults.
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Stowers, Kimberly, Nicholas Kasdaglis, Olivia Newton, Shan Lakhmani, Ryan Wohleber, and Jessie Chen. "Intelligent Agent Transparency." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 60, no. 1 (September 2016): 1706–10. http://dx.doi.org/10.1177/1541931213601392.

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We evaluated the usability and utility of an unmanned vehicle management interface that was developed based on the Situation awareness–based Agent Transparency model. We sought to examine the effect of increasing levels of agent transparency on operator task performance and perceived usability of the agent. Usability and utility were assessed through flash testing, a focus group, and experimental testing. While usability appeared to decrease with the portrayal of uncertainty, operator performance and reliance on key parts of the interface increased. Implications and next steps are discussed.
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Hwang, Hohyun, and Younghoon Lee. "Usability Problem Identification Based on Explainable Neural Network in Asynchronous Testing Environment." Interacting with Computers 33, no. 2 (March 2021): 155–66. http://dx.doi.org/10.1093/iwc/iwab018.

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Abstract Usability testing is an essential element in human–computer interaction studies, and its core purpose is not only to evaluate usability in general but also to identify specific problems. Synchronous usability testing methods are costly to conduct on a large scale, as well as subject to time constraints. Thus, in realistic practice, asynchronous testing is often performed and usually adopts an automatic logging approach to identify usability problems based on collected data. However, in prior research, an in-depth human evaluation review phase has been required to examine each user interaction for usability problems. This consumes considerable time, and the results are likely to be subjective. In this study, we propose a novel method to identify and prioritize usability problems quantitatively using an explainable neural network approach and conduct an experiment based on device usage logs collected in a usability test. Using an explainable neural network, we assess user interactions for their relative influence on an overall usability score, predicting each interaction’s probability of causing a usability problem. Assigning usability scores to each task, we model the relative importance of each individual interaction by calculating a weight for each based on feature maps output by the neural network. Then, we identify usability problems by reviewing the interactions showing the highest importance weight values. The experimental results indicate that our proposed method effectively identifies usability problems and demonstrate that it performs quantitatively better compared to other benchmark methods.
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Basok, Boris M., Alena N. Rozhanskaya, and Sergey L. Frenkel. "On web-applications usability testing." Russian Technological Journal 7, no. 6 (January 10, 2020): 9–24. http://dx.doi.org/10.32362/2500-316x-2019-7-6-9-24.

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The paper discusses the task of organizing the usability testing of web applications that are in pilot or industrial operation. A usability testing technique is described that combines the development, debugging and execution of test scenarios, and analysis of the received test data. The development of test scenarios is based: on the use of the accumulated experience of users who have already worked with this application or with another, similar in functionality; on the use of web analytics, which can provide scenarios of the behavior of user data on the site; and on the use of statistical data on visits to specific pages. Simultaneously with this approach, a different approach is used in the construction of tests. It is based on the development of tests aimed at identifying defects in the program. Debugging and execution of test tasks is carried out in the same way as it is realized when performing functional testing of web applications using testing automation tools. In addition, the analysis of the data obtained during the operation using web analytics makes it possible to form a group of respondent testers, whose capabilities reflect the capabilities of the entire set of probable users of this web application. The approaches outlined in the work were put into practice. As an example, the article provides test data for the page of the admissions committee of MIREA – Russian Technological University – priem.mirea.ru. The obtained experimental data showed that, despite testing the usability of software at the development stages, some errors in the operation of web applications remain undetected. The cost of detecting and eliminating these errors increases significantly. Therefore, it is recommended in the work to increase the level of usability already in the early stages of development. In particular, for the operational prediction of the level of usability, it is desirable to have mathematical tools for modeling the behavior of the designed system and the user.
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Susanto, Novie, Heru Prastawa, Manik Mahachandra, and Dinda Ayu Rakhmawati. "Evaluation of Usability on Bionic Anthropomorphic (BIMO) Hand for Disability Hand Patient." Jurnal Ilmiah Teknik Industri 18, no. 2 (December 19, 2019): 124–33. http://dx.doi.org/10.23917/jiti.v18i2.8133.

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One aspect that needs to be assessed to make better product is usability. Testing the level of usability on BIMO hand is performed using adapted Southampton Hand Assesment Procedure (SHAP) method. Users are given the task of using prosthetic hand to perform daily activities according to performance measurement rules. Based on the opinion of Jacob Nielsen, the theory used to measure usability are 5 main parameters, i.e: Learnability, Memorability, Efficiency, Satisfaction, and Errors. Testing is done by giving 15 task daily activity to the respondent. After testing, respondents were given USE questionnaires (Usefulness, Satisfaction and Ease of use) as a media for usability assessmentand received suggestions from respondents. Some suggestions were obtained from the respondents after the research was conducted, such as the size of the product, censoric product respond, the suitability shape and weight of product. Based on the percentage of USE questionnaire assessment known Usability Prosthetic hand level tested is in the status of GOOD, this indicates the respondents feel the product is good to use.
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Brantley, Steve, Annie Armstrong, and Krystal M. Lewis. "Usability Testing of a Customizable Library Web Portal." College & Research Libraries 67, no. 2 (March 1, 2006): 146–63. http://dx.doi.org/10.5860/crl.67.2.146.

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The popularity of customizable Web sites in libraries has increased librarians’ interest in supplementing user services with portal technology. The open source-software MyLibrary gives the librarian control over the resources directed to users based on their interests. University of Illinois at Chicago librarians developed My Chicago Library as a way to streamline user access to library resources. A usability study designed around common task categories tested the participants’ abilities to customize a personal library Web page, understand the resource categories as defined by librarians, and manage the discipline-specific content available in the portal.
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Zhang, Ting, Pei-Luen Patrick Rau, Gavriel Salvendy, and Jia Zhou. "Comparing Low and High-Fidelity Prototypes in Mobile Phone Evaluation." International Journal of Technology Diffusion 3, no. 4 (October 2012): 1–19. http://dx.doi.org/10.4018/jtd.2012100101.

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This study compared usability testing results found with low- and high-fidelity prototypes for mobile phones. The main objective is to obtain deep understanding of usability problems found with different prototyping methods. Three mobile phones from different manufactures were selected in the experiment. The usability level of the mobile phones was evaluated by participants who completed a questionnaire consisting of 13 usability factors. Incorporating the task-based complexity of the three mobile phones, significant differences in the usability evaluation for each individual factor were found. Suggestions on usability testing with prototyping technique for mobile phones were proposed. This study tries to provide new evidence to the field of mobile phone usability research and develop a feasible way to quantitatively evaluate the prototype usability with novices. The comparisons of paper-based and fully functional prototypes led us to realize how significantly the unique characteristics of different prototypes affect the usability evaluation. The experiment took product complexity into account and made suggestions on choosing proper prototyping technique for testing particular aspects of mobile phone usability.
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Bailey, Robert W., Robert W. Allan, and P. Raiello. "Usability Testing vs. Heuristic Evaluation: A Head-to-Head Comparison." Proceedings of the Human Factors Society Annual Meeting 36, no. 4 (October 1992): 409–13. http://dx.doi.org/10.1177/154193129203600431.

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The importance of user testing, heuristic evaluation and iterative design in the development of computer software programs was examined. In the first study, twenty-five subjects with limited computer experience, were randomly divided into five groups of five subjects each. All groups were asked to perform a telephone bill inquiry task using two character-based screens. After having one group perform, one change per screen was made before beginning the testing of the next group. The system was improved three times. A final experimental group completed the same task using an “ideal” system designed and presented by Molich and Nielsen (1990). Rather than the 29 changes originally suggested by Molich and Nielsen, our results showed that only one change to each of the original screens was necessary to achieve the same performance and preference levels as those demonstrated by their “ideal” system. The same task was repeated using a graphical user interface. A heuristic evaluation suggested up to 43 potential changes, whereas the usability test demonstrated that only two changes optimized performance. These findings demonstrate one of the major weaknesses of heuristic evaluations, and the importance of usability testing in the design and development of human interfaces.
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Clark, Shannon E. "Training Decay Selection for Usability Validation." Proceedings of the International Symposium on Human Factors and Ergonomics in Health Care 5, no. 1 (June 2016): 76–83. http://dx.doi.org/10.1177/2327857916051018.

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When conducting usability validation testing, representative users must use the device in the expected conditions of use in the field. There is usually a period of time—days or weeks—between the point in time a user is trained, and the moment they use the device for the first time. For this reason, the FDA acknowledges the need for “training decay” as part of usability validation testing, but manufacturers face challenges simulating real-time decays. In response to challenges associated with lags of days or weeks between training and usability validation testing, medical device manufacturers typically simulate shortened training decay periods. This paper discusses the theory behind the shapes of various training decay curves and the variables that drive differences between training decay curves. The author proposes to use a task-based approach for defining training decay curves in usability validation studies and sets out generalized training decay curves at a high level. Future research could reveal detailed and generalizable training decay curves. Identifying generalizable training decay curves could standardize the usability testing required for medical devices, and ultimately improve use error identification while avoiding an undue toll on manufacturer resources.
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Dissertations / Theses on the topic "Task-based usability testing"

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Boddu, Srinivas Reddy. "What is the relationship between task-based and open-ended usability testing, in terms of measuring satisfaction?" Thesis, Linköpings universitet, Interaktiva och kognitiva system, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-103677.

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Usability is one of the most important aspects of Information Technology. Usability plays a vital role in this industry, where organizations thrive to ensure utmost satisfaction of their end-users in regard to the experience of using their product. The systems may be a website or a software application. To measure user satisfaction, the method of usability testing can be performed. Performing usability testing gives a clear picture of difficulties that would be faced by potential target users. There are different types of usability testing such as Task-based usability testing, open ended usability testing, remote usability testing etc. The important point here is about deciding upon the most appropriate type of testing technique to get the accurate user satisfaction level. This study is mainly focused to answer the following research question: What is the relationship between the task-based and open ended usability testing, in terms of measuring satisfaction? System Usability Scale (SUS) has been used to measure the satisfaction of the users in this study. For this we used two websites performing task-based usability testing and open ended usability testing respectively. This study had involved twenty eight different participants. Participants are divided into two groups, one group to perform open ended usability testing and another for task-based usability testing for both the websites. This study has produced following results; Open-ended testing tended to produce higher SUS-ratings for the tested system. The results in this study showed that users performing open-ended usability testing gave positive responses for both the websites in terms of user satisfaction. Open-ended usability testing is an exploratory testing, where the testing is based on different aspects such as user interface of the system, design etc. Task-based usability testing is goal based where users have to complete the given task without fail. This method drew lower scores when compared to open-ended usability testing for the tested systems from the attained results. Nevertheless that task-based testing attained lower SUS scores, it is fairly straight forward than open-ended testing to measure efficiency and effectiveness. The above results have been discussed in detail. This study has finally concluded that to measure the usability of a system it is recommended to practice both the open-ended and task-based usability testing techniques.
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Book chapters on the topic "Task-based usability testing"

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Singh, Shawren. "Usability Techniques for Interactive Software and their Application in E-Commerce." In Integrating Usability Engineering for Designing the Web Experience, 81–102. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-896-3.ch005.

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The purpose of this chapter is to provide an overview of usability and usability techniques. It discusses interaction design with a bias on web-based technologies, focusing on usability and usability definitions. Usability principles are discussed with a particular focus on web usability, and some of the techniques that can be used to incorporate usability design and testing. The chapter also considers aspects of electronic commerce usability. These techniques are divided into usability evaluation, (heuristic evaluation, checklists, usability tests, think aloud approaches) followed by designing with usability in mind (including user and task analysis, walkthroughs, user experience and scenario-based usability). Several E-commerce case studies, from a developing economy perspective, are then analysed, before finally discussing E-commerce usability.
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Sharda, Nalin. "Building Visual Travel Recommender Systems and Tourism Communities for Effective User Experience." In Tourism Informatics, 1–22. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-818-5.ch001.

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Modern information and communication technology (ICT) systems can help us in building travel recommender systems and virtual tourism communities. Tourism ICT systems have come a long way from the early airline ticket booking systems. Travel recommender systems have emerged in recent years, facilitating the task of destination selection as well activities at the destination. A move from purely text-based recommender systems to visual recommender systems is being proposed, which can be facilitated by the use of the Web 2.0 technologies to create virtual travel communities. Delivering a good user experience is important to make these technologies widely accepted and used. This chapter presents an overview of the historical perspective of tourism ICT systems and their current state of development vis-à-vis travel recommender systems and tourism communities. User experience is an important aspect of any ICT system. How to define user experience and measure it through usability testing is also presented.
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Skorin-Kapov, Lea, Ognjen Dobrijevic, and Domagoj Piplica. "Towards Evaluating the Quality of Experience of Remote Patient Monitoring Services." In Healthcare Ethics and Training, 1183–215. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2237-9.ch056.

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The applicability of advanced mobile technologies in the m-Health domain has led to a number of studies and (limited) commercial products supporting delivery of health services to remote users. A key issue regarding successful delivery and acceptance of such services is meeting their Quality of Service (QoS) and Quality of Experience (QoE) requirements, focusing on technical aspects and end user perceived quality, respectively. In this paper, the authors address the topic of evaluating QoE for non-emergency remote patient monitoring services. They identify relevant QoE influence factors and metrics, and present the results of a QoE evaluation study, whereby they focus on usability aspects. The study involves 26 users testing a prototype version of the Ericsson Mobile Health service, which is based on a smartphone application and measurement of vital signs via medical sensors. The results show a strong correlation between QoE and: perceived effectiveness of the mobile interface (regarding both adequacy of smartphone screen size and smartphone application navigational support), perceived ease of conducting a blood pressure measurement task, and user motivation for service usage.
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Conference papers on the topic "Task-based usability testing"

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Wills, James, and K. Hurley. "Testing usability and measuring task-completion time in hospital-based health information systems: A systematic review." In 2012 25th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE). IEEE, 2012. http://dx.doi.org/10.1109/ccece.2012.6334950.

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Har, Derek, and Daniel Portwood. "Usability testing of web sites designed for communities of practice: tests of the IEEE Professional Communication Society (PCS) web site combining specialized heuristic evaluation and task-based user testing." In 2009 IEEE International Professional Communication Conference (IPCC 2009). IEEE, 2009. http://dx.doi.org/10.1109/ipcc.2009.5428218.

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