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.
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.
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.
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.
18-01-2019
During renovation, the client wished to implement simple changes to address orientation difficulties encountered by visitors, caused by a rapid growth in the number of visitors to the hospital.
Goal: Reduce visitor anxiety thanks to technical changes deployed by the hospital.
Simplification of the building names and service terminology, adopting a more visitor-centric language.
Introduction of colors associated with buildings to facilitate memorization and differentiation through salience.
Creation of a ‘spinal carpet’; a path located on the ground floor that connected every key spot of the hospital to the most used pathways. The color of different pathways is consistent with that of their respective building.
The concentration of user-assistance resources along the ‘spinal carpet’ pathways, so that visitors and patients find them easily accessible and less stressful to navigate.