Regis University ePublications at Regis University All Regis University Theses Summer 2010 Requirement Specification Stage of the Project Lifecycle of Computerized Systems & the Standards that Can Be Implemented Nicola Grace Regis University Follow this and additional works at: https://epublications.regis.edu/theses Part of the Computer Sciences Commons Recommended Citation Grace, Nicola, "Requirement Specification Stage of the Project Lifecycle of Computerized Systems & the Standards that Can Be Implemented" (2010). All Regis University Theses. 295. https://epublications.regis.edu/theses/295 This Thesis - Open Access is brought to you for free and open access by ePublications at Regis University. It has been accepted for inclusion in All Regis University Theses by an authorized administrator of ePublications at Regis University. For more information, please contact [email protected]. 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The materials may not be downloaded in whole or in part without permission of the copyright holder or as otherwise authorized in the “fair use” standards of the U.S. copyright laws and regulations. REQUIREMENT SPECIFICATION AND STANDARDS i Abstract Understanding requirement specifications was an integral part of information systems design and was critical to the success of interactive systems. However, specifying these requirements was not simple to achieve. This research, including a literature review, describes general methods to support requirement specification analysis that can be adapted into a range of situations in accordance with relevant standards. The main techniques discussed were risk management, stage-based lifecycle models and frameworks. Additionally, as part of the methodology and project history, the methods for implementation, process improvements and schedule of the research was examined. A case study with statistical analysis was described to illustrate how these techniques, methods and standards have been applied in practice and the advantages and disadvantages experienced. Acknowledgements I would like to acknowledge with thanks everyone who helped and supported me in my studies. Especially, I would like to thank my parents for their support throughout this process. I would like to acknowledge my willing participants, for their patience and assistance. Finally, I would like to thank my thesis advisor, Mike Prasad, for all his guidance and support during this process, and my thesis facilitator, Don Ina, for his clear guidance throughout the thesis journey. Table of Contents Abstract ....................................................................................................................................... i Acknowledgements .................................................................................................................... ii Table of Contents ..................................................................................................................... iii List of Figures ........................................................................................................................... vi List of Tables ........................................................................................................................... vii Chapter 1 – Introduction ............................................................................................................ 1 1.1 Background Information ............................................................................................. 1 1.2 Scope of work and thesis significance. ....................................................................... 2 1.3 Acknowledgment of previous work ............................................................................ 4 1.4 Road Map of thesis ...................................................................................................... 5 1.5 Beginning of thesis project workload.......................................................................... 6 Chapter 2 – Review of Literature and Research ........................................................................ 7 2.1 General Introduction ................................................................................................... 7 2.2 Standards ..................................................................................................................... 9 2.2.1 IEEE standards ................................................................................................... 10 2.2.2 IEEE Minor standards ........................................................................................ 14 2.2.3 Industrial standards ............................................................................................ 22 2.3 Introduction to requirement specifications ................................................................ 25 2.3.1 Techniques for requirement specification generation ........................................ 26 2.3.2 Managing requirement specification generation ................................................ 27 2.3.3 Risk Management in relation to requirement specification ............................... 32 2.3.4 Stage-based lifecycle models ............................................................................. 32 2.3.5 Requirement specifications stages frameworks ................................................. 33 2.4 Standard and requirement stage in combination ....................................................... 35 2.5 Conclusion ................................................................................................................. 40 Chapter 3 – Methodology ........................................................................................................ 42 3.1 Research Method ....................................................................................................... 42 3.2 Application of thesis in the research subject ............................................................. 43 3.3 Justification ............................................................................................................... 43 3.3.1 Qualitative Research .......................................................................................... 43 3.3.2 Quantitative Research ........................................................................................ 45 3.4 Key Processes and Procedures .................................................................................. 48 3.4.1 Participating Groups .......................................................................................... 49 3.4.2 Sampling ............................................................................................................ 50 3.4.3 Data Collection .................................................................................................. 50 3.4.4 Observations ...................................................................................................... 51 3.4.5 Interviews ........................................................................................................... 51 3.4.6 Official Records and Documents ....................................................................... 54 3.4.7 Coding and Analysis .......................................................................................... 55 3.4.8 Exploring Researcher Values ............................................................................. 55 3.4.9 Leaving the Field ............................................................................................... 56 3.5 Resources .................................................................................................................. 56 3.6 Summary of methodology chapter ............................................................................ 56 Chapter 4 –Project Results and Analysis ................................................................................. 58 4.1 Experimental Results................................................................................................. 58 4.1.1 Standards and relevance to requirement specification ....................................... 58 4.1.2 Gathering of requirement specification ............................................................. 59 4.1.3 Documenting of requirement specifications ...................................................... 62 4.1.4 Conflicts and problems experienced with requirement specifications .............. 64 4.1.5 Interview ............................................................................................................ 65 4.2 Analysis of results