Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 39 for “"usability problems"”.
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Determining the Effectiveness of the Usability Problem Inspector: A Theory-Based Model and Tool for Finding Usability Problems
The need for cost-effective usability evaluation has led to the development of methodologies to support the usability practitioner in finding usability problems during formative evaluation. Even though various methods exist for performing usability evaluation, practitioners seldom have the …
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Evidence Based Design of Heuristics: Usability and Computer Assisted Assessment
The research reported here examines the usability of Computer Assisted Assessment(CAA) and the development of domain specific heuristics. CAA is being adopted within educational institutions and the pedagogical implications are widely investigated, but little research has been conducted into the …
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Usability Problem Diagnosis tool: Development and Evaluation
Usability evaluation results in several usability problems and the non-UE developer is often not a part of the evaluation as it might deter the participant from reporting all the errors and also, conducting usability evaluation is a usability engineer's responsibility. Thus the evaluator needs to …
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Improving The Usability of Software Systems Using Group Discussions: A Case Study on Galaxy
Usability problems in software systems cause performance degradation, user dissatisfaction and loss in terms of cost. There is a growing need for the software systems to become more accessible, retrievable and usable for the users. The usability test of a software is conducted by getting the …
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Product usability and process improvement based on usability problem classification
… and practice have shown that the success of a usability engineering program depends on the identification and correction of usability problems, these problems remain an underutilized source of information. Insufficient guidance regarding the capture of usability problem data results in the loss …
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Leveraging Subtle Verbalization and Speech Patterns to Help Evaluators Identify Usability Problem Encounters in Concurrent Think-aloud Sessions
Think-aloud protocols are a highly valued usability testing method for identifying usability problems. Despite the value of conducting think-aloud usability test sessions, analyzing think-aloud sessions is often arduous. Consequently, previous research has urged the community to develop methods to …
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Usability of Pictorial Assembly Instructions for Young Children
… in young children. The mixed-method usability study evaluated the effect of gender, age, toy, and experience on assembly performance, frequency and duration of instruction looks, subjective evaluations, and usability problems. A total of twenty-four boys and girls, six- and …
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An Exploration of End-User Critical Incident Classification
Laboratory usability tests can be a rich source of usability information for software design, but are expensive to run and involve time-consuming data analysis. Expert review of software is cheaper, but highly dependent on the experience of the expert. Techniques are needed that maintain user …
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Vizability: Visualizing Usability Evaluation Data Based on the User Action Framework
Organizations have recognized usability engineering as a needed step in the development process to ensure the success of any product. As is the case in all competitive settings areas for improvement are scouted and always welcomed. In the case of usability engineering a lot of time, money, …
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Handwriting recognition technology, children, and the writing process
… education. The focus was an investigation of the usability of handwriting recognition technology for use with children, specifically as a replacement for the QWERTY keyboard during the writing process. Specific aims were to determine whether the technology could be used in this way, to identify …
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Improving the ability of StarLogo Nova users to save and organize their work
… updating user account settings. This thesis uses usability heuristics to analyzes the ability of StarLogo Nova Users to save and organize their work. The usability problems of various pages of StarLogo Nova are identified, and the implemented solutions are explained. A new system design for …
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Curation and privacy in mobile application UI repositories
… into the best performing design patterns, usability problems, and overall design trends. So far, this data has primarily come from automated application exploration or crowdworkers completing smartphone tasks as part of a study. Both of these methods have a primary issue that the …
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User modelling for evaluation of direct manipulation interfaces
This thesis applies models of user action to usability evaluation of direct manipulation interfaces. In particular, the utility of a Model of Action for assisting novice evaluators in usability tests is investigated. An initial model of user action is proposed, based on the theory of action …
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Utility of agricultural mobile apps among Indian rural farmers
… mobile apps intended for Indian crop farmers for usability (ease of use) and functionality (content, features, & information needs). Towards this, I conducted three studies: studying global agricultural apps, evaluating an agricultural app developed for Indian farmers with usability experts in the …
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Anthropometric variability, equipment usability and musculoskeletal pain in a group of nurses in the Western Cape
… given a questionnaire concerned with operational problems in the work environment and musculoskeletal pain. The questionnaire was also completed by a group of sedentary nurses. The ward and theatre nurses reported numerous problems in the working environment, including lumbar backache, inadequate …
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Usability evaluation of a fault tree software user documentation
… critical incident technique was used to identify usability problems in a fault free software user document. The critical incidents were used to modify the original document to improve its usability. To test whether the modified document was better in usability than the original document, an …
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The sensing and measurement of frustration with computers
… -- User behaved differently during usability problems. In a comparative study of three active designs (Frustrometer, Squeezemouse, and traditional feedback web page) we found that users prefer the Frustrometer to a web feedback page. Preliminary results suggest that …
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Investigating the Effectiveness of Applying the Critical Incident Technique to Remote Usability Evaluation
Remote usability evaluation is a usability evaluation method (UEM) where the experimenter, performing observation and analysis, is separated in space and/or time from the user. There are several approaches by which to implement remote evaluation, limited only by the availability of supporting …
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A formative evaluation of CU-SeeMe
… analysis [2] [7] [13] which serves to identify problems with the interface and the cognitive roots of those problems. The critical incidents reported by participants are accompanied by explanations of what caused the problem and why. This helps in the process of formulating solutions for …
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An Infrastructure to Support Usability Problem Data Analysis
Increasing the usability of software by integrating usability engineering into the development cycle has become common practice. Although usability engineering is effective, it can be expensive, and organizations want to receive the best possible returns on their investments. Oftentimes, however, …
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