January 2025
Intermediate to advanced
188 pages
4h 13m
Japanese
Content preview from UXデザインの法則 第2版 ―最高のプロダクトとサービスを支える心理学
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.
CHAPTER 9
事例
テスラーの法則を示すよくある事例として、ちょっとした
E
メール送信を考えて
みよう。メールには、差出人と宛先の
2
つの情報が必要だ。どちらが欠けても
E
メー
ルを送ることはできないため、これらは必要不可欠な複雑性である。この複雑性を
減らすため、最近のメールアプリでは
2
つのことが行われている。差出人を事前に
入力しておくことと
（あなたのメールアドレスを知っているのでできる）
、そして宛先の入力
開始時に、過去のメールやあなたの連絡帳から宛先の候補を予測することだ
［図 9-1］
。
複雑性が消えてなくなったわけではない。ただ、ユーザーの負荷を減らすためにそっ
と取り除かれただけだ。つまり、差出人と宛先のアドレス入力という複雑性を、ユー
ザーの代わりに引き受けるようなメールアプリをデザイン・実装することで、メー
ルを書く体験を少しだけ楽にしている。
な問題の理解が足りていない兆候だ。より時間を使って観察と経験から問題の理解
を深め、根拠のない仮定や複雑すぎるデザインを回避しよう。
図9-1 最新のメールアプリは、差出人を自動的に入力し、過去のメールに基づいて「宛先」をサジェストする
ことで複雑性を軽減している。
出典：Gmail、2023年
129
さらに一歩進んで、
Gmail
では人工知能
（
AI
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.