The Demise of the Waterfall Model Is Imminent, and Other Urban Myths

Laplante, Phillip A.; Neill, Colin J.

doi:10.1145/971564.971573

Cited by 50 publications

(18 citation statements)

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“…Particular parallels with HSR can be found in a category known as lifecycle models, the most common of which are the Waterfall, Spiral, and Star models, referring to the sequence and pattern of substages involved (Figure 2) [25-27]. Of these, the Spiral and Star models are frequently advocated due to their ability to cope with iteration and complexity, although in practice the more sequential Waterfall method is often used [28]. All of these illustrate the codependence of development and evaluation, while the Spiral and Star models emphasize iterative design.…”

Section: Compatibilities In Models and Methods Of Software Developmenmentioning

confidence: 99%

Design and Evaluation in eHealth: Challenges and Implications for an Interdisciplinary Field

Pagliari¹

2007

J Med Internet Res

235

198

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Much has been written about insufficient user involvement in the design of eHealth applications, the lack of evidence demonstrating impact, and the difficulties these bring for adoption. Part of the problem lies in the differing languages, cultures, motives, and operational constraints of producers and evaluators of eHealth systems and services. This paper reflects on the benefits of and barriers to interdisciplinary collaboration in eHealth, focusing particularly on the relationship between software developers and health services researchers. It argues that the common pattern of silo or parallel working may be ameliorated by developing mutual awareness and respect for each others’ methods, epistemologies, and contextual drivers and by recognizing and harnessing potential synergies. Similarities and differences between models and techniques used in both communities are highlighted in order to illustrate the potential for integrated approaches and the strengths of unique paradigms. By sharing information about our research approaches and seeking to actively collaborate in the process of design and evaluation, the aim of achieving technologies that are truly user-informed, fit for context, high quality, and of demonstrated value is more likely to be realized. This may involve embracing new ways of working jointly that are unfamiliar to the stakeholders involved and that challenge disciplinary conventions. It also has policy implications for agencies commissioning research and development in this area.

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Section: Compatibilities In Models and Methods Of Software Developmenmentioning

confidence: 99%

Design and Evaluation in eHealth: Challenges and Implications for an Interdisciplinary Field

Pagliari¹

2007

J Med Internet Res

235

198

View full text Add to dashboard Cite

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“…The renovation design process typically follows a waterfall model, which is sequential and noniterative. Because all the design steps are not synchronized and thermal design is a later consideration in the waterfall approach, feedback from customers comes too late [6]. If any design steps conducted at the latter process finds some problems, there is no scope to feedback the design of the former process.…”

Section: Introductionmentioning

confidence: 99%

Integrating Animated Computational Fluid Dynamics into Mixed Reality for Building-Renovation Design

2019

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In advanced society, the existing building stock has a high demand for stock renovation, which gives existing buildings new lives, rather than building new ones. During the renovation process, it is necessary to simultaneously achieve architectural, facilities, structural, and environmental design in order to accomplish a healthy, comfortable, and energy-saving indoor environment, prevent delays in problem-solving, and achieve a timely feedback process. This study tackled the development of an integrated system for stock renovation by considering computational fluid dynamics (CFD) and mixed reality (MR) in order to allow the simultaneous design of a building plan and thermal environment. The CFD analysis enables simulation of the indoor thermal environment, including the entire thermal change process. The MR system, which can be operated by voice command and operated on head-mounted display (HMD), enables intuitive visualization of the thermal change process and, in a very efficient manner, shows how different renovation projects perform for various stakeholders. A prototype system is developed with Unity3D engine and HoloLens HMD. In the integrated system, a new CFD visualization method generating 3D CFD animation sequence for the MR system is proposed that allows stakeholders to consider the entirety of changes in the thermal environment.

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“…In practice, Swarm can mean a repeated cycle of collaborative and open-minded intuitive proposals for further development, tested by rapid searches for background information, rapid testing of proposed methods and input data, with critical review to assess feasibility or weaknesses in the proposed work plan. Swarm as a development process is well-established in IT product development, and is closely allied with other IT development philosophies such as sprint [ 13 ] and agile development [ 14 ], either of which are often preferable to the clockware [ 12 ], waterfall or linear sequential approaches to project design [ 15 ]. The premise of linear sequential planning is that the development process and objectives are determined before work begins; therefore whether or not the results will be satisfactory may not be apparent until late in the project timeline, after resources have been heavily invested.…”

Section: Introductionmentioning

confidence: 99%

Forced migrants involved in setting the agenda and designing research to reduce impacts of complex emergencies: combining Swarm with patient and public involvement

et al. 2017

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Plain English summaryThe UK’s National Institute for Health Research (NIHR) Health Protection Research Unit in Emergency Preparedness and Response was asked to undertake research on how to reduce the impact of complex national/international emergencies on public health. How to focus the research and decide on priority topics was challenging, given the nature of complex events. Using a type of structured brain-storming, the researchers identified the ongoing UK, European and international migration crisis as both complex and worthy of deeper research. To further focus the research, two representatives of forced migrant communities were invited to join the project team as patient and public (PPI) representatives. They attended regular project meetings, insightfully contributed to and advised on practical aspects of potential research areas. The representatives identified cultural obstacles and community needs and helped choose the final research study design, which was to interview forced migrants about their strategies to build emotional resilience and prevent mental illness. The representatives also helped design recruitment documents, and undertake recruitment and interviewer training.AbstractBackgroundMany events with wide-ranging negative health impacts are notable for complexity: lack of predictability, non-linear feedback mechanisms and unexpected consequences. A multi-disciplinary research team was tasked with reducing the public health impacts from complex events, but without a pre-specified topic area or research design. This report describes using patient and public involvement within an adaptable but structured development process to set research objectives and aspects of implementation.MethodsAn agile adaptive development approach, sometimes described as swarm, was used to identify possible research areas. Swarm is meant to quickly identify strengths and weaknesses of any candidate project, to accelerate early failure before resources are invested. When aspects of the European migration crisis were identified as a potential priority topic area, two representatives of forced migrant communities were recruited to explore possible research ideas. These representatives helped set the specific research objectives and advised on aspects of implementation, still within the swarm framework for project development.ResultsOver ten months, many research ideas were considered by the collaborative working group in a series of six group meetings, supplemented by email contact in between. Up to four possible research ideas were scrutinised at any one meeting, with a focus on identifying practical or desirable aspects of each proposed project. Interest settled on a study to solicit original data about successful strategies that forced migrants use to adapt to life in the UK, with an emphasis on successfully promoting resilience and minimizing emotional distress. “Success in resettlement” was identified to be a more novel theme than “barriers to adaption” research. A success approach encourages participation when indiv...

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The Demise of the Waterfall Model Is Imminent, and Other Urban Myths

Cited by 50 publications

References 2 publications

Design and Evaluation in eHealth: Challenges and Implications for an Interdisciplinary Field

Design and Evaluation in eHealth: Challenges and Implications for an Interdisciplinary Field

Integrating Animated Computational Fluid Dynamics into Mixed Reality for Building-Renovation Design

Forced migrants involved in setting the agenda and designing research to reduce impacts of complex emergencies: combining Swarm with patient and public involvement

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