Book Brief: Calculated Risks: How to Know When Numbers Deceive You | CIO Insight

Book Brief: Calculated Risks: How to Know When Numbers Deceive You

May 1, 2002
1 minute read

By Gerd Gigerenzer

Simon & Schuster Inc., June 2002

320 pages, $25

It is no longer news that many people don’t understand numbers. Weathermen really do say “there is a 50 percent of rain on Saturday and a 50 percent chance of rain on Sunday, so it is guaranteed to rain this weekend.” So the real contribution that Gigerenzer, a German scientist, makes here is how to deal with the problem, whether you are interacting with the people who report to you or with top management. His message: Forget percentages and “regressions to the mean,” and put the numbers in simple language that even a CEO can understand.

CIO Insight Staff

CIO Insight offers thought leadership and best practices in the IT security and management industry while providing expert recommendations on software solutions for IT leaders. It is the trusted resource for security professionals who need network monitoring technology and solutions to maintain regulatory compliance for their teams and organizations.

CIO Insight Logo

CIO Insight offers thought leadership and best practices in the IT security and management industry while providing expert recommendations on software solutions for IT leaders. It is the trusted resource for security professionals who need to maintain regulatory compliance for their teams and organizations. CIO Insight is an ideal website for IT decision makers, systems integrators and administrators, and IT managers to stay informed about emerging technologies, software developments and trends in the IT security and management industry.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.