---
title: "Low defect rates are not a myth"
url: "https://osherove.com/blog/2004/3/28/low-defect-rates-are-not-a-myth.md"
canonical: "https://osherove.com/blog/2004/3/28/low-defect-rates-are-not-a-myth.html"
published: "2004-03-28T17:40:00"
updated: "2004-03-28T17:40:00"
tags: [".Net Quotations"]
author: "Roy Osherove"
description: "Pretty amazing that some of the companies that are using XP practices to the bone are getting bug rates as low as a single defect a year , during 1-2 weeks release cycles.don't you think?"
usage: "Licensed under CC BY 4.0 — reuse, quote and adapt with attribution (Roy Osherove, link to the original page)."
license: "https://creativecommons.org/licenses/by/4.0/"
---

# Low defect rates are not a myth

By Roy Osherove March 28, 2004 In [.Net Quotations](https://osherove.com/blog/category/net-quotations)

**Historical article** · Originally published March 28, 2004; technical details may be outdated.

Pretty amazing that some of the companies that are using XP practices _to the bone_ are getting bug rates [as low as a single defect a year](http://martinfowler.com/bliki/VeryLowDefectProject.html), during 1-2 weeks release cycles.don't you think?

## More in .Net Quotations

[All posts in .Net Quotations](https://osherove.com/blog/category/net-quotations)

- Apr 3, 2004

    ### [DPack: Free enhancement Add-ins to VS.NET IDE](https://osherove.com/blog/2004/4/3/dpack-free-enhancement-add-ins-to-vsnet-ide.html)

- Mar 30, 2004

    ### [When Regular Expressions Attack](https://osherove.com/blog/2004/3/30/when-regular-expressions-attack.html)

- Mar 27, 2004

    ### [VS-Styler :Toggle and save your VS.Net font and color settings instantly](https://osherove.com/blog/2004/3/27/vs-styler-toggle-and-save-your-vsnet-font-and-color-settings.html)

- Mar 27, 2004

    ### [Very good intro article to Test Driven Development, but lots more needed](https://osherove.com/blog/2004/3/27/very-good-intro-article-to-test-driven-development-but-lots.html)


---

## About the author

**Roy Osherove**: Senior Solutions Architect at AWS working on AI for production and AI-driven development; author of The Art of Unit Testing and Elastic Leadership, with about 20 years of consulting and training on unit testing, TDD, team leadership and continuous delivery.

### Sites

- [RobotPaper](https://robotpaper.ai/): This blog: AI patterns and anti-patterns, AI and coding agents, and engineering leadership.
- [osherove.com](https://osherove.com): Roy's personal site. Author of The Art of Unit Testing and Elastic Leadership; consulting and training on unit testing, TDD, team leadership and continuous delivery, plus about 20 years of blog posts.
- [The Art of Unit Testing](https://www.artofunittesting.com): The Art of Unit Testing, 3rd Edition (Manning): readable, maintainable, trustworthy unit tests, plus TDD workshops in C#, JavaScript, Java and Kotlin.
- [5whys.com](https://www.5whys.com): Roy's writing on software team leadership: self-organizing teams, surviving chaos, learning mode and the Elastic Leadership model.
- [Pipeline Driven](https://pipelinedriven.org): Continuous delivery and DevOps practices: build patterns, pipeline-friendly testing, DevOps metrics and enterprise DevOps.
- [Elastic Leadership](https://www.elasticleadership.com): Elastic Leadership, Roy's framework for software team leaders (survival, learning and self-organizing modes).

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### Contact

- Contact form: https://forms.gle/jQSx5KoXvrVA1JCK7

### License

Licensed under CC BY 4.0 — reuse, quote and adapt with attribution (Roy Osherove, link to the original page). License: https://creativecommons.org/licenses/by/4.0/