In the early 90s Tversky & Shafir observed several violations of rationality in human participants, in particular violation of the disjunction effect and sure-thing principle. This has lead to…
Look at the image, apparently it is a normal Coca-Cola ad, but ... have you read it correctly? Solution If at first glance you thought you saw the name of the brand and you have not realized that it is tricked it is due to the STROOP effect, which is what the kind of semantic interference produced as a result of the automaticity of the reading is called.
These parrots are resting in a cube-shaped structure, but do you see everything normal? Solution Each of the two central columns cannot be at the same time on opposite sides of the cube. Keep looking, from top to bottom, each of them. You will see that they do not retain the plane of the face of the cube where they come from.
Look closely at the image we show you and answer the next question. Which of the two boxes A or B is darker? Solution Although it seems incredible, both boxes are exactly the same color. To see it more easily, we have drawn a gray strip that crosses both cells.