Supporting novice usability practitioners with usability engineering tools

Howarth, Jonathan R.; Smith‐Jackson, Tonya L.; Hartson, Rex

doi:10.1016/j.ijhcs.2009.02.003

Cited by 44 publications

(27 citation statements)

References 54 publications

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“…Many tools are available to assist with the collection, analysis, and reporting of usability data (24). These range from self-administered questionnaires (6) to specialized software for recording and analyzing user testing sessions.…”

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confidence: 99%

Development and evaluation of a multimedia e-learning resource for electrolyte and acid-base disorders

Davids

Chikte

Halperin

2011

Advances in Physiology Education

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This article reports on the development and evaluation of a Web-based application that provides instruction and hands-on practice in managing electrolyte and acid-base disorders. Our teaching approach, which focuses on concepts rather than details, encourages quantitative analysis and a logical problem-solving approach. Identifying any dangers to the patient is a vital first step. Concepts such as an "appropriate response" to a given perturbation and the need for electroneutrality in body fluids are used repeatedly. Our Electrolyte Workshop was developed using Flash and followed an iterative design process.Two case-based tutorials were built in this first phase, with one tutorial including an interactive treatment simulation. Users select from a menu of therapies and see the impact of their choices on the patient. Appropriate text messages are displayed, and changes in body compartment sizes, brain size, and plasma sodium concentrations are illustrated via Flash animation. Challenges encountered included a shortage of skilled Flash developers, budgetary constraints, and challenges in communication between the authors and the developers.The application was evaluated via user testing by residents and specialists in internal medicine. Satisfaction was measured with a questionnaire based on the System Usability Scale. The mean System Usability Scale score was 78.4 ± 13.8, indicating a good level of usability. Participants rated the content as being scientifically sound; they liked the teaching approach and felt that concepts were conveyed clearly. They indicated that the application held their interest, that it increased their understanding of hyponatremia, and that they would recommend this learning resource to others. ELECTROLYTE AND ACID-BASE DISORDERS are clinical problems that are common and may be life threatening. This area is highly integrative and quantitative, and it is one that students and clinicians find particularly difficult to master (9). Medical experts solve most clinical problems using pattern recognition, drawing on a large domain-specific database of schemata or "illness scripts" (15,22,41). When an unusual or complex situation is encountered, however, the expert can draw on extensive relevant basic science knowledge and apply it to the problem (38). This is often required in disciplines such as anesthesiology, nephrology, and intensive care medicine, where much of the clinical reasoning involves the application of physiology (37). 1Electrolyte and acid-base disorders are typical examples common to these disciplines where an understanding of physiology is central to correct diagnosis and treatment. As teachers, our challenge is to help students and clinicians develop an expertise in clinical problem solving that can be effectively applied when they encounter related, but different, problems. This transfer of expertise is difficult to achieve (10,14,39). It can be facilitated by active learning and "deliberate practice" with carefully selected examples (12,13,40,42). This helps to develop...

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confidence: 99%

Development and evaluation of a multimedia e-learning resource for electrolyte and acid-base disorders

Davids

Chikte

Halperin

2011

Advances in Physiology Education

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“…Howarth et al [14] defined the term usability as the effectiveness, efficiency, and satisfaction in which users of a certain application is capable of achieving precise goals ISO [14]. For many years, usability did not require justification in most quarters due to continuously growing awareness of its value, and software production organizations' investment in "doing usability", building privileged usability laboratories.…”

Section: Usabilitymentioning

confidence: 99%

Fulfilling Needs of Newly Enrolled Students: A Cultural Study of a Mobilized Guidance System

Omar¹,

Alhmiedat²,

Al-Qerem³

2014

IJCA

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Mobile technology is becoming more popular around the world. The importance of such technology relates to its capability of allowing the user of performing many different Tasks simultaneously on daily basis. Nowadays, travelling from one place to another became easier than before. This is due to the availability of Electronic maps and guidance systems for different users. Despite the progress adding to the mobile application field, there are still some boundaries and limitations in using such devices. Some of the difficulties are connected directly to culture. Other difficulties are related to the lack of experience in using such technology and how far would a user trust such technology. In this research, light will be spotted on the idea of providing a guidance mobile application for the newly enrolled students to Zarqa University. Additionally, main restrictions and obstacles which limit the use of the mobile handset as a guide system will be taken into considerations. The research aim extends to studying the effect of cultural issues on the proposed system.

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“…According to (Howarth et al, 2009), the Usability Engineering process, which aims to implement the activities mentioned above regarding usability evaluation, includes (Figure 4):  Identify and record critical usability data;  Data analysis;  Preparing the report of the evaluation results. Fig.…”

Section: User-centred Designmentioning

confidence: 99%