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
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
91
個人か環境か
する大きな改善（歴史からの学習）も無さそうですし、結果のフィードバックから学ぶことも難しそう
です［
Gruschke and Jørgensen 2005
］。
人が見積もりの予測を行う際のプロセスが、（まるでちっとも複雑なことではないかのように）無意識
のプロセスとして行われることも分かっています［
Kahneman and Frederick 2004
］、［
LeBoeuf and
Shafir 2004
］、［
Jørgensen and Sjøberg 2001
］、［
Jørgensen and Carelius 2004
］、［
Jørgensen and
Sjøberg 2004
］。たとえば、あらかじめさまざまな土台となる見積もりを提供するだけで作成する見積
もりを簡単に左右することができます（アンカー効果
†
）。たとえば、だれかに「この仕事を遂行するのに、
どれくらいの期間が必要ですか？」と
尋ねるのと、「これこれの時間で、どれだけの仕事が遂行できます
か？」と尋ねるのとでは、大きな違いが生じます。実は後者は、アジャイル開発におけるタイムボクシ
ング
††
のための常套的手段です。その結果はどうかというと、人に時間を区切って尋ねると、過小見
積もりの可能性が増す傾向があるのです。さらに大きなタスクの工数は過小見積もりしやすく、小さな
タスクの工数は過大見積もりしやすいという一般的傾向をタイムボクシングは、反転させるように思わ
れます［
Halkjelsvik et al. 2010
］。
プログラミングのタスクとは異なり、ソフトウェア開発の工数見積もりは単にたくさん行えば上達す ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.