Ville Helenius's research introduces a data-driven rule for choosing between Agile and Waterfall methodologies based on the cost of rework. Agile is recommended for non-physical, low-rework tasks, while Waterfall is suited for high-rework physical projects. The Programme Method Selection (ProMeSe) framework assists managers in selecting the appropriate delivery method according to the nature of the deliverable and associated rework costs. The research included a sample of 46 programme managers and demonstrated a strong correlation between method-context alignment and improved performance metrics across various sectors.
"Agile works best for non-physical, low-rework tasks (e.g., software), while Waterfall excels in high-rework physical projects (e.g., construction)."
"Successful programmes showed a strong correlation between method-context alignment and improved performance metrics such as cost, schedule and stakeholder satisfaction."
"Waterfall methodology... where re-work is costly"; "Agile works with software as the work is not irreversible."
"Smart method matching based on rework cost reduces overruns and raises satisfaction scores."
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