O'Reilly logo

Decide and Conquer: The Ultimate Guide for Improving Your Decision Making, Second Edition by Stephen P. Robbins

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

18. I Hear What I Want to Hear: The Confirmation Bias

Most of our so-called reasoning consists in finding arguments for going on believing as we already do.

—J. H. Robinson

Mike Delaney is a fitness nut. Now 48 years old, he has been working out regularly since he was in his late teens. In a typical week, Mike will spend two hours a day, three days a week, lifting weights at his health club. In addition, he runs an average of 35 miles a week. He occasionally breaks up his routine with workouts on a stair climber or putting in an hour on a rowing machine.

In recent months, Mike has been plagued by a number of aches and pains—a lot more than usual. His knees ache, his Achilles’ tendons are sore, and his lower back is bothering him. He called his ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required