Work Centered Design of a Usaf Mission Planning System

Author(s):  
Gavan Lintern ◽  
Diane Miller ◽  
Keith Baker

In large-scale socio-technical systems such as military command and control, operators must work with complex and dynamic information from many diverse sources. For this project, we used the Cognitive Work Analysis and Ecological Interface Design frameworks to design a virtual workspace for the USAF work domain of Special Assignment Airlift Mission planning. Based on information made available through the analysis, we developed a workspace prototype in which multiple View-Ports house distinct functional requirements and in which options are made available to link various View-Port functionalities in the mission planning process. In this paper we illustrate how we bridged the gap between analysis and design by developing a link from the analytic products of our Cognitive Work Analysis to the design of the ecological workspace.

Author(s):  
Leila S. Rezai ◽  
Catherine M. Burns

When developing patient self-management applications, designs must motivate patients to engage with the intervention so as to increase their medical adherence. This paper hypothesizes that for the analysis and design of these technologies, a Cognitive Work Analysis (CWA) approach would benefit from the additional insight provided by a Persuasive Design (PD) framework. The results of this combined approach are shown to be valuable in informing an Ecological Interface Design (EID) of self-management systems. Benefits come in two ways: First, by improving patients’ understanding of their disease and how to manage it, and second by increasing their motivation to self-monitor. The next step of this research will be to devise a set of design guidelines that can be used to create effective patient self-management systems.


Author(s):  
Neelam Naikar

Cognitive work analysis (CWA) is gaining recognition as a promising approach for the analysis, design, and evaluation of complex, sociotechnical systems. However, the successful and widespread application of work domain analysis (WDA), the first phase of CWA, is limited by the lack of a coherent theoretical approach. This paper addresses a number of theoretical issues relating to WDA, including differences in the approaches of Rasmussen, Pejtersen & Goodstein (1994) and Vicente (1999), and it illustrates these theoretical issues with a work domain of a home — a 'system' that will be highly familiar to everyone. This research will help to: make WDA more accessible to researchers and practitioners who were not involved in the development of WDA or who cannot be apprenticed to experts in WDA; reduce the amount of time and effort it takes to perform WDA even for experts in the area; and facilitate the application of WDA to large-scale, industry projects.


Author(s):  
Neelam Naikar

Cognitive work analysis (CWA) is gaining recognition as a promising approach for the analysis, design, and evaluation of complex, sociotechnical systems. The successful and widespread application of CWA, however, is limited by the lack of a well-defined methodology. This paper proposes a methodology for performing work domain analysis (WDA), the first phase of CWA, and it illustrates this methodology with a work domain of a home — a 'system' that will be highly familiar to everyone. This research will help to: make WDA more accessible to researchers and practitioners who were not involved in the development of WDA or who cannot be apprenticed to experts in WDA; reduce the amount of time and effort it takes to perform WDA even for experts in the area; and facilitate the application of WDA to large-scale, industry projects.


Author(s):  
Penelope Sanderson ◽  
Dal Vernon C Reising

We outline the relation of the concept of analytic redundancy to Cognitive Work Analysis and to Ecological Interface Design. Analytic redundancy refers to different ways that system inputs can be related to system outputs so as to retain system objectives, whether for inferring state or exercising control. We extend previous treatments on the concept of analytic redundancy and stress the importance of finding a strong representational formalism if a human operator supported by an EID interface is to provide analytic redundancy and be capable of “finishing the design”. While increasingly straightforward in the visual domain, there are still challenges in the auditory domain.


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