Read a short vignette involving a person holding a false belief. Answer a question about her belief. For example, “John told Emily that he had a Porsche. Actually, his car is a Ford. Emily doesn’t know anything about cars so she believed John. When Emily sees John’s car, she thinks it is a …?” (Porsche or Ford).
Read a false-photograph vignette. Answer a question concerning the outdated content in the photo. For example, “A photograph was taken of an apple hanging on a tree branch. The film took half an hour to develop. In the meantime, a strong wind blew the apple to the ground. The developed photograph shows the apple on the…? (tree or ground).”
Play a “domino game” with a human opponent (you get feedback about her moves). You and your opponent hold some domino chips in your hands (undisclosed). On each turn, you must play out a domino chip with a particular number to get a game point. You play out your chips face-down (undisclosed), so you can pretend having the required number even if you have not. After you played out a chip, your opponent can decide whether or not to check the number on it (simplified description).
View a cartoon story and predict what will happen based on intentions of a character (no false belief). Choose a logical story ending from several options shown in pictures. For example, a prisoner is in his cell. First, he breaks the bars of his prison window. Then he walks to his bed. Participants must indicate what will happen next…the prisoner ties a rope from the sheets on his bed/the prisoner shouts out loud.
View a cartoon story and predict what will happen based on physical causality. Choose a logical story ending from several options shown in pictures. For example, a person is standing in front of a slide. A large ball is coming down this slide, heading towards the person standing there. Participants must indicate what will happen next…the ball is knocking over the person/the ball is resting on the ground and the person is standing next to it.