In "Realizing quality improvement through test driven development: results and experiences of four industrial teams", an MSR researcher found that TDD did reduc

In "Realizing quality improvement through test driven development: results and experiences of four industrial teams", an MSR researcher found that TDD did reduce defects in his study, but also came at a large cost in time-to-ship. https://www.microsoft.com/en-us/research/exploding-software-engineering-myths/ https://www.microsoft.com/en-us/research/exploding-software-... This finding contradicts the headline. TDD impacted both development time and code quality in that study.