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If a baseball and a bat cost $1.10 together, and the bat costs $1.00 more than the ball, how much does the ball cost?

Solution

5 cents. System 1 thinking often leads to mistakes in this type of problem.

Next question

A father and son are in a horrible car crash that kills the dad. The son is rushed to the hospital; just as he’s about to go under the knife, the surgeon says, “I can’t operate—that boy is my son!” How is that possible?

Solution

The surgeon is the boy’s mother. This puzzle illustrates the persistence of gender discrimination.

Next question

In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?

Solution

47 days. To answer correctly, you need to ignore your system 1 and use your system 2.

Next question

Alan is smart, hard-working, impulsive, stubborn and jealous.
Ben is jealous, stubborn, impulsive, hard-working and smart.
Who should you hire?

Solution

They are the same, but a priming effect often make people prefer the first candidate.

Next question

We are committed to

Nudging for good

Nudging for good

At BVA Nudge Consulting, we are committed to making the world a better place with simple acts that make big changes. It is at the heart of what we do; we call it Nudging for Good.

 

We believe that Nudge and Behavioral Science can contribute to a better world by encouraging people and organizations to adopt new behaviors which are good for them, their communities and the planet.

 

Whether our client is a private company, a government entity, a public administration or a non-profit organization, we believe that taking care of the interests of their consumers and citizens is the only way to build strong relationships, trust and confidence. This significant and simple act is the foundation of sustainable success in any organization.

We are so convinced by the power of Nudging for Good to contribute to a better world and ensure profitable business that we are proud to have partnered with the AIM European Brands Association in Europe and Engage for Good in the US to create the Nudging for Good Awards. These organizations reward the best initiatives from companies and organizations that use nudges to encourage people to make better decisions for themselves and the planet.

 

These inspiring examples are social proof that nudging for good works; simple things make a big difference, and they add up to a huge impact for the greater good. We are very proud of our nudges, and we love creating new ones daily that contribute to the success of our clients.

 

Let’s make a better world together.