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HomeHistory and Cultural HeritageThe development approach of 'Impact Engineering' surpasses Agile in performance

The development approach of ‘Impact Engineering’ surpasses Agile in performance

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The Impact of Agile Manifesto on Software Development: A Critical Analysis

Are Agile practices failing to deliver on their promises? A recent study conducted for the book “Impact Engineering” suggests that 65% of software projects using Agile principles fail to meet deadlines, budgets, and quality standards. In contrast, projects employing the Impact Engineering approach show a failure rate of just 10%.

The Agile Manifesto, which has shaped software development for over 21 years, emphasizes principles such as working software over comprehensive documentation, customer collaboration over contract negotiation, and responding to change over following a plan. However, the new research indicates that projects with documented requirements before development are 50% more likely to succeed. Clear initial requirements boost success likelihood by 97%, and avoiding significant late-stage requirement changes increases success chances by 7%.

The study also found that projects where software engineers felt psychologically safe to address issues promptly were 87% more likely to succeed. Accurate real-world problem-based requirements enhanced success probability by 54%. Interestingly, there was no significant difference in success rates between engineers working on single versus multiple projects, despite Lean methodology advocating reduced work-in-progress.

The Horizon IT system, an early large-scale Agile project using Rapid Application Development, faced scrutiny in a public inquiry. Witnesses condemned the lack of a robust requirements engineering process, highlighting the importance of good design in software development. This failure contributed to the Post Office scandal, described as Britain’s largest miscarriage of justice.

Dr. Junade Ali, author of Impact Engineering, commented on the findings, stating that a robust requirements engineering process and psychological safety for addressing and solving problems are fundamental to delivering high-quality software on time and within budget. With 65% of Agile projects failing to meet deadlines, it may be time to question Agile’s cult following.

The study also revealed disparities between UK and US software engineers, with UK engineers feeling less able to discuss and address problems compared to their US counterparts. This aligns with previous research showing that 75% of UK software engineers faced retaliation for reporting wrongdoing.

In conclusion, the study sheds light on the challenges and shortcomings of Agile practices in software development. It emphasizes the importance of clear requirements, psychological safety for engineers, and preventing burnout to ensure project success. As the industry continues to evolve, it’s essential to reevaluate and adapt methodologies to meet the demands of modern software development.

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