The Laws of UX Book Recap by Jon Yablonski


“The Laws of UX” is a game-changer, folks. Written by Jon Yablonski, this book is a treasure trove for anyone diving into the world of user experience (UX) design. It lays down the fundamental principles that govern good UX, backed by psychology and real-world examples. So, let’s unpack this gem, shall we?

Key Takeaways

1. Fitts’s Law

What it says: The time to acquire a target is a function of the distance to and size of the target.

Why it matters: Ever struggled to click a tiny button on a mobile screen? Fitts’s Law explains why that’s a design fail.

2. Hick’s Law

What it says: The time it takes to make a decision increases with the number and complexity of choices.

Why it matters: Overwhelmed by a cluttered menu? Hick’s Law tells designers to keep it simple, stupid!

3. Miller’s Law

What it says: The average person can only keep 7 (plus or minus 2) items in their working memory.

Why it matters: This law is the reason why phone numbers are usually 7 digits long. Less is more when it comes to information processing.

4. Pareto Principle

What it says: Roughly 80% of the effects come from 20% of the causes.

Why it matters: Focus on what really matters. Most users will use just a few features, so make them flawless.

5. Jakob’s Law

What it says: Users spend most of their time on other sites, so they prefer your site to work the same way as all the other sites they already know.

Why it matters: Don’t reinvent the wheel. Stick to familiar design patterns.

Real-World Examples

  • Fitts’s Law: Apple’s large clickable icons.
  • Hick’s Law: Google’s clean homepage.
  • Miller’s Law: Twitter’s 280-character limit.

Why You Should Read This Book

  1. Deep Dive into Psychology: Understand the why behind the what.
  2. Practical Tips: Implement these laws in your next design project.
  3. Case Studies: Learn from the best and worst in the industry.

Final Thoughts

“The Laws of UX” is not just a book; it’s a toolkit for creating user-friendly designs. Whether you’re a newbie or a seasoned pro, this book has something for everyone. So, if you’re serious about UX, this book is your new best friend.

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