September 2011
Intermediate to advanced
612 pages
15h 48m
Japanese
Content preview from Making Software ―エビデンスが変えるソフトウェア開発
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197
テスト駆動開発（
TDD
、
Test-Driven Development
）［
Beck 2002
］は、この業界で最も参照されつつ、
その一方で最も少ししか実践されていないアジャイルプラクティスです。なぜ無視されるかというと概
ねは、私たちがこの手法が人間・プロセス・製品に及ぼす効果を理解できていないからです。コードの
前にテストケースを書くことが、より頑健な実装とより良い設計につながるとは言え、
TDD
の効果と
そのためのコストとが不明であり、また普通のプログラマの「コードを作ってそれからテスト」という
パラダイムを逆転させる点が、
TDD
の採用を妨げています。
TDD
の効果に関する現状でのエビデンスの概要を調べるため、オンラインデータベースと科学刊行
物を対象に
TDD
のシステマチックレビュー（
SR
）を行いました。
SR
はもともとは薬学コミュニティで
治験結果を整理し分析するために普及した研究手法です。
SR
は「手法
X
を用いることの効果に関する
公表されたエビデンスでは何を言っているか」という一般的な質問に答えようとします。医療分野では、
SR
は治療薬と代替手法による治療が疾病に対してどれだけ効果的かを評価する上で本質的な役割を果
たします。実証的ソフトウェア工学の研究者たちは、このアプローチをソフトウェア開発の実践の効果
についてのエビデンスを整理し分析するために採用しました。
SR
については、本書の第
3
章や
［
Kitchenham 2004
］、［
Dybå et al. 2005
］などで解説されています。
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.