A Comparative Analysis of Software Development Methodologies and the Proposal of a New Hybrid Approach Nurbek Nuraliev Department of Business IT The Graduate School of Business IT Kookmin University Companies struggle with optimum flexibility vs struc...
A Comparative Analysis of Software Development Methodologies and the Proposal of a New Hybrid Approach Nurbek Nuraliev Department of Business IT The Graduate School of Business IT Kookmin University Companies struggle with optimum flexibility vs structured control, thanks to the ever-evolving software development world. More traditional approaches with the Waterfall model lean heavily toward predictability and control, with very little capacity for adaptability. Agile approaches are more flexible, but often leave room for strategic long-term oversight. This thesis explores the proposal of “Adaptive Structured Development” (ASD) which is a new hybrid methodology aimed at overcoming these conflicting elements through the incorporation of modern frameworks alongside Agile, Waterfall, DevOps, Lean, Spiral, RAD, and DSDM into a cohesive seven-phased lifecycle model. With ASD, flexibility is granted for agile planning with requirements gathering, prototyping, and delivery, while governance enforces structure to risk management, planning, and control processes. Each development phase is flexible internally, but bound to fixed decision points (stage gates) ensuring visibility, accountability, and control. This equilibrium enables a diverse range of project environments to be supported—anywhere from rapid startup-level iteration to enterprise-scale digital transforms. A two-stage validation process was used to assess the practicality and effectiveness of ASD. In the first stage, a set of 28 software engineering practitioners who held diverse experiences with various development models were interviewed. Feedback indicated that the practical value of ASD’s balance was underscored by its strong structure and lucid presentation, garnering high marks for evaluation metrics such as risk management, stakeholder engagement, and automation integration. The second phase was experimental applications that included two AI-based software projects: Docshare and MyLms, implemented by the “Great Turon IT Solutions” Ltd team. Compared to traditional approaches, ASD-applied workflows outclassed them in faster delivery (22% improvement), reduced defects, enhanced team morale, improved alignment with stakeholders, and risk management. The reason for this lies in the structured flexibility of ASD which provided controlled agility and fiscal moderation, combined with the iterative learning and ongoing feedback focused systems that are essential in volatile contexts. This thesis reaches the conclusion that Adaptive Structured Development offers a feasible and flexible option for governance-conscious, strategically-minded organizations striving to optimize software delivery. ASD is not meant to substitute existing methodologies en masse; rather, it is a deeply flexible model that is rigorously organized, designed to cater to a multitude of project requirements. Additional work may entail refinement of the model for specific niche domains as well as broader longitudinal studies, but the initial evidence strongly positions ASD as a valuable and advancing contribution within the evolving field of software project management. Keywords : Adaptive Structured Development, Hybrid Software Development Methodology, Governance and Flexibility Balance