ISO 9241-210 and Culture? – The Impact of Culture on the Standard Usability Engineering Process

2014 ◽  
pp. 39-48 ◽  
Author(s):  
Rüdiger Heimgärtner
Keyword(s):  
Engineering Process ◽  
Usability Engineering ◽  
The Impact

A field study of the Wheel—a usability engineering process model

2006 ◽  
Vol 79 (6) ◽  
pp. 841-858 ◽  
Author(s):  
James W. Helms ◽  
James D. Arthur ◽  
Deborah Hix ◽  
H. Rex Hartson
Keyword(s):  
Field Study ◽  
Process Model ◽  
Engineering Process ◽  
Usability Engineering

scholarly journals Integrating a Usability Engineering Process into a Consisting Risk Management

2018 ◽  
Vol 4 (1) ◽  
pp. 645-647
Author(s):  
Michael Scholtes ◽  
Stephanie Buedenbender ◽  
Annemarie Behrend ◽  
Keywan Sohrabi ◽  
Volker Gross
Keyword(s):  
Risk Management ◽  
Medical Device ◽  
Engineering Process ◽  
Usability Engineering ◽  
User Interactions ◽  
Management Processes ◽  
Medical Device Manufacturers ◽  
Incident Reports ◽  
Development Step ◽  
Medical Device Regulation

AbstractThe complexity of medical devices and its user interactions increases. A growing number of incident reports are assumed to be associated primarily with user errors. This development is tackled through current modifications in standards, such as ISO 13485:2016 and legislations, such as the Medical Device Regulation. Both intensify the focus on use errors significantly. The aim of this paper was the development of a process orientated approach integrating usability engineering into a consisting risk management based on a classic V-model. An appropriate procedure was worked out. For each development step, risk and usability activities were cumulated. Thus, the present paper might help medical device manufacturers to reflect their risk management and usability management processes to find synergies. Prospectively, a step-by-step guide for the integration of risk management and usability engineering based on this approach should be developed.

Using a Principal-Agent Model to Investigate Delegation in Systems Engineering

2015 ◽  
Author(s):  
Sean D. Vermillion ◽  
Richard J. Malak
Keyword(s):  
Systems Engineering ◽  
Conceptual Modeling ◽  
Decision Models ◽  
Principal Agent ◽  
Theoretic Model ◽  
Engineering Process ◽  
Vehicle Engineering ◽  
Modeling Framework ◽  
Agent Interaction ◽  
The Impact

Delegation of decision authority is a fundamental characteristic of systems engineering problems. Engineers and managers at higher levels within the organization allocate responsibility and resources to other individuals through requirements flowdown and other processes. The prevalence of schedule slippages and budget overruns on systems engineering projects raises questions about the adequacy of and potential to improve existing methods. However, at present the community lacks a foundational understanding of these processes that would be valuable in identifying and validating candidate improvements to the systems engineering process. In this paper, we develop a conceptual modeling framework for delegation in systems engineering based on the principal-agent problem, a game-theoretic model of agent interaction across hierarchical levels. Several variations on the basic model are possible. We study the model and its variations on an illustrative example of a passenger vehicle engineering process. Numerical results highlight the impact of various assumptions, including whether engineers act normatively or according to proposed behavioral decision models. Implications and extensions are discussed, including the need for behavioral validation of engineering decision models and the potential to use the modeling framework to evaluate newly proposed delegation schemes.

Augmenting the Critical Incident Method to Evaluate Desktop Video Conferencing

2000 ◽  
Vol 44 (37) ◽  
pp. 594-597
Author(s):  
Jonathan K. Kies ◽  
Robert C. Williges
Keyword(s):  
User Interfaces ◽  
Critical Incident ◽  
Video Conferencing ◽  
Video Quality ◽  
Usability Engineering ◽  
Communication Performance ◽  
Work Activity ◽  
Task Support ◽  
The Impact ◽  
Desktop Video Conferencing

Evaluating computer-mediated computer systems requires different usability engineering methods than those applied to traditional user interfaces. In this paper, the critical incident method was used in conjunction with communication performance measures, ethnographic analyses, and questionnaires to help understand the differences between face-to-face communication and desktop video conferencing applications as well as the effects of degraded video quality on communication. Four groups of students working on design projects were observed weekly for seven weeks. After each session, group members were interviewed and asked to discuss communication problems associated with the conferencing system. The combination of analyses resulted in the identification of several usability themes: conversation fluidity problems, lack of effective task support tools, the impact of work activity organization, the effects of time, group size problems, and problems associated with video quality. Combining the critical incident method with other methods yielded insights not attainable through traditional usability engineering metrics.

Comparison between Sunflower Oil and Soybean Oil as Gear Lubricant

2014 ◽  
Vol 699 ◽  
pp. 443-448 ◽  
Author(s):  
Asriana Ibrahim ◽  
Siti Sakinah Munirah Ishak ◽  
Mohd Fadhren Kamaruddin
Keyword(s):  
Soybean Oil ◽  
Vegetable Oils ◽  
Sunflower Oil ◽  
Viscosity Index ◽  
Green Technology ◽  
Engineering Process ◽  
Test Rig ◽  
Oil Sunflower ◽  
The Impact ◽  
The Ideal

Advanced research on vegetable oils as gear lubricants became a topic of interest in green technology where natural resources could be appliedin transportation and industry. The main objectives are to meet demand and monitor the impact of human involvement. Many researches have suggested that vegetable oil has the potential as an alternative lubricant for many engineering process although it has some disadvantages such as oxidative instability and poor properties at low temperature. The use of vegetable oils as a helical gear lubricant has not been studied before. This study is to experimentally analyse the performance of sunflower oil and soybean oil as gear lubricants. An oil test data was taken periodically from the gear test rig within 80 consecutive hours. The performance of sunflower and soybean oils were analysed based on lubricant properties such as kinematic viscosity and viscosity index. The experimental data was compared to the ideal performance of a synthetic gear lubricant. The findings show that sunflower oil has better lubricant properties compared to soybean oil. Sunflower oil shows appreciable high temperature properties as synthetic gear lubricant.

scholarly journals From Usability Testing to Clinical Simulations: Bringing Context into the Design and Evaluation of Usable and Safe Health Information Technologies

2013 ◽  
Vol 22 (01) ◽  
pp. 78-85 ◽  
Author(s):  
C. Nohr ◽  
S. Jensen ◽  
E. M. Borycki ◽  
A. Kushniruk
Keyword(s):  
Health Information ◽  
Information Technologies ◽  
Usability Testing ◽  
Careful Consideration ◽  
Clinical Context ◽  
Usability Engineering ◽  
Clinical Simulation ◽  
Clinical Scenarios ◽  
Clinical Simulations ◽  
The Impact

Summary Objectives: The objective of this paper is to explore human factors approaches to understanding the use of health information technology (HIT) by extending usability engineering approaches to include analysis of the impact of clinical context through use of clinical simulations. Methods: Methods discussed are considered on a continuum from traditional laboratory-based usability testing to clinical simulations. Clinical simulations can be conducted in a simulation laboratory and they can also be conducted in real-world settings. The clinical simulation approach attempts to bring the dimension of clinical context into stronger focus. This involves testing of systems with representative users doing representative tasks, in representative settings/environments. Results: Application of methods where realistic clinical scenarios are used to drive the study of users interacting with systems under realistic conditions and settings can lead to identification of problems and issues with systems that may not be detected using traditional usability engineering methods. In conducting such studies, careful consideration is needed in creating ecologically valid test scenarios. The evidence obtained from such evaluation can be used to improve both the usability and safety of HIT. In addition, recent work has shown that clinical simulations, in particular those conducted in-situ, can lead to considerable benefits when compared to the costs of running such studies. Conclusion: In order to bring context of use into the testing of HIT, clinical simulation, involving observing representative users carrying out tasks in representative settings, holds considerable promise.

Sign in / Sign up

Export Citation Format

Share Document