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I’m a long time enterprise consultant that is currently a Practice Lead at Pillar Technology where I help ensure successful projects for clients of all sizes and technology stacks, using agile methodologies.

Eric Polerecky

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Xamarin Mobile

Case studies were conducted with three development teams at Microsoft and one at IBM that have adopted TDD. The results of the case studies indicate that the pre-release defect density of the four products decreased between 40% and 90% relative to similar projects that did not use the TDD practice. Subjectively, the teams experienced a 15–35% increase in initial development time after adopting TDD.