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Investigating the relationship between project constraints and appropriate iteration length in agile development through simulations

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INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY 2016年第4期54卷 311-322页

作者： Shiohama, Ryushi Washizaki, Hironori Kuboaki, Shin Sakamoto, Kazunori Fukazawa, Yoshiaki Waseda Univ Dept Comp Sci & Engn Tokyo Japan Change Vis Inc Chiyoda Ku 7F NBF Kandasudacho Bldg2-3-1 Kandasuda Cho Tokyo 1010041 Japan Natl Inst Informat Chiyoda Ku 2-1-2 Hitotsubashi Tokyo 1018430 Japan

Agile development is aimed at minimising overall risk and encouraging rapid and flexible response to specification changes by using an iterative process. Despite its iterative feature, studies on the effects of iteration length have been lacking. Currently, there is no established method to quantitatively determine the appropriate iteration length, and abortion of projects with an inappropriate iteration length has been reported. We therefore create a model of agile development that focuses on iteration length, and propose a method of simulating a particular project to estimate the appropriate iteration length. Furthermore, we simulate diverse situations using various parameters to understand the relationship between the iteration length and project constraints. Our results show that the appropriate iteration length depends on the condition of the project constraints;the larger the amount of uncertainty, the shorter the appropriate iteration length, while the higher the complexity of the project, the longer the iteration length should be.

关键词： agile development iterative software development extreme programming scrum simulation iteration length software development process

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Unit tests reloaded: Parameterized unit testing with symbolic execution

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IEEE SOFTWARE 2006年第4期23卷 38-+页

作者： Tillmann, Nikolai Schulte, Wolfram Microsoft Res Redmond WA 98052 USA

Unit tests are popular. However, it's an art to write them in a way that specifies a program's behavior well, and it's laborious to write enough of them to have confidence in an implementation's correctness. Symbolic execution techniques can help increase code coverage by finding relevant variations of existing unit tests. These techniques can also automatically generate unit tests from an implementation when no prior unit tests exist. Commercial testing tools are already adopting these techniques.

关键词： COMPUTER software TESTING COMPUTER software -- Quality control STANDARDS COMPUTER programming COMPUTER software developers COMPUTER industry COMPUTER software industry VERIFICATION extreme programming

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Ward Cunningham

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IEEE ANNALS OF THE HISTORY OF COMPUTING 2011年第4期33卷 62-67页

作者： Walden, David Cunningham, Ward

Best known as the inventor of the wiki (a collaborative website that encourages users to publish, correct, or delete information as they see fit), Ward Cunningham has made a career of distilling complex problems and seeing common threads. In the software field, he is known for his work on object oriented programming, pattern languages, and extreme programming. In this interview, Cunningham discusses these milestones and his livelong approach to computers.

关键词： History Of Computing Ward Cunningham Tektronix Pattern Languages Smalltalk extreme programming Wiki Wikipedia

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Overview and Guidance on Agile Development in Large Organizations

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COMMUNICATIONS OF THE ASSOCIATION FOR INFORMATION SYSTEMS 2011年第1期29卷 25-44页

作者： Barlow, Jordan B. Giboney, Justin Scott Keith, Mark Jeffrey Wilson, David W. Schuetzler, Ryan M. Lowry, Paul Benjamin Vance, Anthony Indiana Univ Kelley Sch Business Operat & Decis Technol Dept Informat Syst Bloomington IN 47405 USA Univ Arizona Eller Coll Management Dept Management Informat Syst Management Informat Syst Tucson AZ USA West Texas A&M Univ Coll Business Dept Comp Informat & Decis Management College Stn TX USA Washington State Univ Dept Entrepreneurship & Informat Syst Pullman WA 99164 USA City Univ Hong Kong Dept Informat Syst Informat Syst Hong Kong Hong Kong Peoples R China Brigham Young Univ Marriott Sch Management Informat Syst Dept Informat Syst Provo UT 84602 USA

A continual debate surrounds the effectiveness of agile software development practices. Some organizations adopt agile practices to become more competitive, improve processes, and reduce costs. Other organizations are skeptical about whether agile development is beneficial. Large organizations face an additional challenge in integrating agile practices with existing standards and business processes. To examine the effects of agile development practices in large organizations, we review and integrate scientific literature and theory on agile software development. We further organize our theory and observations into a framework with guidelines for large organizations considering agile methodologies. Based on this framework, we present recommendations that suggest ways large organizations with established processes can successfully implement agile practices. Our analysis of the literature and theory provides new insight for researchers of agile software development and assists practitioners in determining how to adopt agile development in their organizations.

关键词： agility agile development software development life cycle large organizations waterfall method extreme programming Scrum informal communication interdependencies coordination

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Practitioners' Agile-Methodology Use and Job Perceptions

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IEEE SOFTWARE 2018年第2期35卷 52-61页

作者： Sun, Wenying Schmidt, Cecil Washburn Univ Comp Informat Sci Topeka KS 66621 USA

To examine software professionals’ job perceptions related to different levels of agile-methodology use, researchers conducted a survey. The respondents generally reported high professional efficacy, high job satisfaction, moderate work overload, and low cynicism. The respondents with high agile-methodology use reported higher professional efficacy, higher job satisfaction, lower work ambiguity, lower work exhaustion, and lower individual autonomy than those with low agile-methodology use. No difference existed between the two groups regarding role conflict, work overload, and cynicism.

关键词： Human Resource Management Industrial Psychology Occupational Stress Personnel Professional Aspects Job Perceptions Software Professionals Agile Methodology Use Work Exhaustion Work Ambiguity Job Satisfaction Professional Efficacy Work Overload Agile Software Development programming Profession Encoding Software Testing Information Systems Software Engineering Software Development Agile Methodology Use Job Perceptions Agile Development extreme programming

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Integrating XP project management in development environments

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JOURNAL OF SYSTEMS ARCHITECTURE 2006年第11期52卷 619-626页

作者： Angioni, M. Carboni, D. Pinna, S. Sanna, R. Serra, N. Soro, A. CRS4 Ctr Adv Studies Res & Dev Sardinia I-09010 Pula CA Italy Univ Cagliari Dipartimento Ingn Elettr & Elettron I-09123 Cagliari Italy

extreme programming (XP) is an Agile Methodology (AM) which does not require any specific supporting tool for being successfully applied. Despite this starting observation, there are many reasons leading a XP team to adopt Web based tools to support XP practices. For example, such tools could be useful for process and product data collection and analysis or for supporting distributed development. In this article, we describe XPSuite, a tool composed of two parts: XPSwiki, a tool for managing XP projects and XP4IDE, a plug-in for integrating XPSwiki with an Integrated Development Environment (IDE). Moreover, we will show how the full Object Oriented implementation provides a powerful support for extracting all data represented in the model that the system implements. (C) 2006 Elsevier B.V. All rights reserved.

关键词： extreme programming XP tools Agile Methodologies process metrics distributed development

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A software methodology for applied research: extreme Researching

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SOFTWARE-PRACTICE & EXPERIENCE 2005年第15期35卷 1441-1454页

作者： Chirouze, O Cleary, D Mitchell, GG Natl Univ Ireland Dept Comp Sci Maynooth Kildare Ireland Solutec Lyon France Ericsson Appl Res Labs Athlone Ireland

Applied research is, by necessity, a distributed, collaborative process. To be useful, research methodologies must not only be applicable in such an environment, but must also be adaptive to the needs of human resources and specific research area requirements. This paper introduces extreme Researching (XR), an adaptation of extreme programming (XP) by Ericsson, to support distributed telecommunications research and development. XR builds on XP and tailors it to meet the needs of applied industrial research. It adopts and extends the most useful elements of XP: collective ownership, planning game, continuous integration and metaphor and shows how they are applicable in multi-site, research projects. XPWeb is developed as a tool to facilitate XR in a distributed research environment. XPWeb and XR are actively used by Ericsson Applied Research and have been shown to significantly increase output and efficiencies in multi disciplinary research projects. Copyright (c) 2005 John Wiley & Sons, Ltd.

关键词： extreme programming agile processes process engineering telecommunications

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Self-Managing: An Empirical Study of the Practice in Agile Teams

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IEEE SOFTWARE 2019年第1期36卷 23-27页

作者： Gutierrez, Gema Garzas, Javier Gonzalez de Lena, Maria Teresa Moguerza, Javier M. Rey Juan Carlos Univ Comp Languages & Syst Res Mostoles Spain Rey Juan Carlos Univ Mostoles Spain Rey Juan Carlos Univ Comp Sci Res Mostoles Spain Rey Juan Carlos Univ Stat & Operat Res Mostoles Spain

We conducted a comprehensive survey for software professionals to measure their degree of self-management from different perspectives. Results showed that teams with a high perception of autonomy identified their lead... 详细信息

关键词： Human Resource Management Organisational Aspects Personnel Productivity Team Working Self Managing Agile Teams Scrum Principles Agile Methodologies Self Management Concept extreme programming Productivity Motivation Employees Organizations Agile Software Development Task Analysis Software Development Management Collaborative Work Self Management Teams Agile Survey Leadership

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Probing Questions, Participatory Democracy, Quality Assurance, and Customer Data

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IEEE SOFTWARE 2016年第5期33卷 12-14页

作者： Carver, Jeffrey C. Paasivaara, Maria Penzenstadler, Birgit Univ Alabama Dept Comp Sci Tuscaloosa AL 35487 USA Aalto Univ Dept Comp Sci Espoo Finland Calif State Univ Long Beach Software Engn Long Beach CA 90840 USA

This month's column reports on papers from the 38th International Conference on Software Engineering and the 17th International Conference on Agile Software Development. The topics covered include using requirements knowledge to stimulate architectural thinking, software support for participatory democracy, Scrum and quality assurance, and sharing customer data.

关键词： Software Engineering Agile Development extreme programming Software Requirements Scrum Quality Assurance Customer Data Safe Scrum App Civist PB Participatory Democracy Software Development

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Agile Software Development Process Applied to the Serious Games Development for Children from 7 to 10 Years Old

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INTERNATIONAL JOURNAL OF INFORMATION TECHNOLOGIES AND SYSTEMS APPROACH 2015年第2期8卷 64-79页

作者： Cano, Sandra P. Gonzalez, Carina S. Collazos, Cesar A. Munoz Arteaga, Jaime Zapata, Sergio Univ Cauca Cauca Colombia Univ La Laguna Tenerife San Cristobal la Laguna Spain Univ Autonoma Aguascalientes Aguascalientes Mexico Univ Nacl San Juan San Juan Argentina

The development of video games is a complex, multidisciplinary process, which involves different areas as well as a greater number of roles than for traditional software. Serious games face process constraints that concern a number of interactive, educational and psychological factors designed to lead to the fulfillment of educational objectives within a specific context. Based on a case study in the city Cali, Colombia, an iterative and incremental process is proposed, focusing on small and medium development for educational serious games and basing itself on two lines of research: agile development methodology and user-centered design (UCD) for children from 7 to 10 years. The agile methodology extreme programming (XP) offers a useful option for the development of serious games as it establishes a continuous communication with all project stakeholders - including the end user - throughout the project, while UCD allows the user profile to be known and identified so that the game will meet the needs and match the capabilities, expectations and motivations of the child.

关键词： Serious Games Agile Software Development extreme programming Software Engineering User-Centered Design

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