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
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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.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.
概要
「マジカルナンバー
7
」で有名なミラーの法則は聞いたことがあるだろう。だが、
あなたの理解はおそらく正しくない。この経験則はしばしば誤解されており、「ナ
ビゲーションの項目数は
7
つ以下に制限しなければならない」というように、デザ
イン上の意思決定を正当化するためによく引き合いに出される。もちろん、ユー
ザーに提示する選択肢の数を制限することに価値はあるが
（第
4
章を参照）
、ミラーの
法則をそのような教えとして理解するのは間違っている。この章では、ミラーの「マ
ジカルナンバー
7
」の起源と、ミラーの法則が
UX
デザイナーに提供する真の価値を
探ってみよう。
ミラーの法則
Millar’s Law
3
CHAPTER
普通の人が短期記憶に保持できるのは、7（±2）個まで。
コンテンツを小さなチャンク
（かたまり）
に分けることで、ユーザーがその情報を
扱い、理解し、記憶しやすくできる。
短期記憶の容量は、個々人が持っている知識や状況、文脈によって大きく幅が
あることを覚えておこう。
「マジカルナンバー7」の数字に惑わされて無用なデザイン制約を作ってはいけ
ない。
ポイント
054
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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.