Abstract
The purpose of the research is to develop a new theory of mind tasks, test its reliability and validity, and scale the intentional aspect of theory of mind. The study was designed as survey research, one of the quantitative research traditions. One hundred and fifty-eight children whose age ranged between 4 and 10 years were included in the research sample through quota sampling. Data were dichotomous so Rasch analysis was used to analyse the data. As result of Rasch analysis, it was found that the separation index is 7; reliability coefficient is 98; and the battery of the theory of mind task has robust model fit based on RMSE, infit mean-square and outfit mean-square. Difficulty analysis indicated that false belief tasks and real vs. disclosed intention are the hardest tasks, while diverse desires, implicit false beliefs, and diverse beliefs are the easiest tasks in the battery.
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Data Availability
There is no availability of data and material.
Abbreviations
- ToM :
-
Theory of mind
- SD :
-
Standard deviation
- Infit MNSQ :
-
Infit mean square
- Outfit MNSQ :
-
Outfit mean square
- PTMC :
-
Point measurement correlation
- RMSE :
-
Root Mean square error
- EC :
-
Expected correlation
- SI :
-
Separation index
- F :
-
Frequency
- M :
-
Mean
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Appendix: 1
Appendix: 1
Task 1: Explicit False Belief 1
Requirements: Before the task is begun, the setting is established which consists of a house with furniture, eggs, a wheel, and tree models. Three puppets are taken out, Ali, the hawker, and Ali’s mother, and are introduced the participant child.
Protagonist 1: Ali
Protagonist 2: Ali’s mother
Protagonist 3: The Hawker
Protagonists explain: Ali is now at home. It is about mid-day and his mother calls home from her workplace and asks him to buy eggs. Ali goes out to buy eggs. Ali buys several eggs from a hawker standing under a tree who is shouting that he has fresh eggs. When he comes back home, the hawker moves from the tree to in front of a park. While Ali puts the eggs into the fridge, he realizes that the eggs have gone off. He immediately decides to leave home in order to find the hawker and give the eggs back.
This is the target question: When he leaves his home, where would he look for the hawker? Under the tree or in front of the park?
The correct answer is “under the tree”.
Task 2: Explicit False Belief 2
Requirements: The setting consists of a road leading to a home and a puppet whose name is Ali, a key, and a park model.
Protagonist 1: Ali.
Protagonist explains and acts as: Ali watched TV and did his homework but he got bored. He decides to go the park which is close to his home. Ali wears his coat and shoes, locks the door and places the key into his pocket. He arrives at the park and has fun but he realizes he is bored. He decides to go home. While he is walking on the road to his home, the key falls on the road. However, Ali does not realize this.
This is the target question: The children are asked when he arrives the door of his home where he will look for the key? On the road or in his pocket?
The correct answer is “He will look for it in his pockets”.
Task 3: Real Apparent Emotion
Requirements: Before the task commences, a model of a classroom with ten children and puppets for the teacher and Ali are present.
Protagonist 1: Ali.
Protagonist: 2: The Teacher.
The protagonist tells that “Ali goes to school but Ali does not like maths. When the lesson is maths, he always gets bored. However, Ali pretends as if he enjoys the maths course and listens to his teacher and keeps concealing his feelings because he does not want to worry his teacher. One day, Ali was too bored with the math activities of his teacher whereas he was trying to look like as if he likes the math activities.
This is the target question: How did Ali look? How did Ali feel? After the target questions are asked, two facial expressions are shown and the children are asked to select one of the facial expressions.
The correct responses for the question of” How did Ali look?” is the facial expression indicating” pleased”.
Task 4: Real Intention versus Disclosed Intention
Requirements: Before the task commences, a model of classroom with ten children and puppets for teacher, for the Father, and for Ali is present.
Protagonist 1: Ali.
Protagonist 2: The Father.
Protagonist 3: The Teacher.
Protagonists says and acts: “there is a school-wide song competition Anyone who wishes to participate in the competition should consult me to register for the competition”. Ali wants to participate in the competition. Ali comes home and demands his father train him for the song competition. Ali tells his father that he wants to win the competition so much. They practice and work hard. Several days pass and Ali has been working hard and practicing a lot with her parents. Ali intends to keep his preparation secret. One day the teacher asks whether those who registered have been working hard or not?
This is the target question: What is Ali’s intention? (intentional question) What would Ali tell the teacher (disclosed intention question)?
The correct answer for the intentional question is “keeping his preparation secret” and the correct response to disclosed intention question is “ He had not worked hard”.
Task 5: Implicit False Belief
Requirements: A birthday cake part model with half strawberry and the other half chocolate, and 4 puppets for Mevra, Ayla, Ahmet, and Ali are prepared, along with forks and plates. Before the task is begun, the participant child is asked what kind of birthday party cake they like (strawberry or chocolate). Based on the participant child’s response, Mevra, Ali, Ahmet, and Ayla are placed opposite the preference of the participant. The participant child is allowed to move around the birthday cake.
Protagonist 1: Ali.
Protagonist 2: Mevra’s Mother.
Protagonist 1 says and acts: After Ali comes back from school, he remembers that he had been invited to Mevra’s birthday. You would be invited to the birthday party too. The child is asked to take a seat based on their preferred side. Mevra, Ayla, Ahmet, and Ali sit opposite the participant. Mevra’s mother gives dishes, forks, and serves the cake.
The target question: What piece of cake will Ali taste (chocolate cake or strawberry cake)? Which cake will Ali have?
The correct answer: If the child sits on chocolate cake side, the correct answer for both of the target questions is strawberry cake. If the child prefers to sit on the side of strawberry cake, the correct response is chocolate cake.
Task 6: Diverse Desires
Requirements: The setting for the 5th task is the same as for the 6th task.
Protagonist says and acts as: Ali states that he likes chocolate cake. Two kinds of birthday cake are being offered at Mevra’s birthday party: strawberry and chocolate. “Which one would you like best?” This is the own-desire question.
The correct answer: If the child chooses the strawberry cake “Good choice but Ali will have the chocolate one as he hates strawberry cake (or if the child prefers chocolate cake, it is said that Ali hates chocolate cake and likes strawberry cake best). Then the target question is asked to the child: “Now eating time is approaching and Ali is hungry, which cake will Ali choose? Strawberry cake or chocolate cake?
To pass the task, the children must respond to the target question opposite their responses to the own-desire question.
Task 7: Knowledge Access
Requirements: A mountain model, treasure chest, and puppets for Al, and Ayse are placed on a table. A battery is put into the treasure chest. The treasure chest is put in front of the mountain model.
Protagonist 1: Ali.
Protagonist 2: Ayse.
Protaganist 3: Mervra's Father
Protagonists say and acts: “After the birthday party ends, you go out with Ali. Mevra’s father takes you to home. While Mevra’s father is driving, in the car Ali tells Mevra’s father to stop because Ali saw a mountain and treasure chest. Mevra’s father stops the car. You and Ali draw near to the mountain. Ali states that “Just imagine you found the chest!” Can you guess what it is inside? Then the child is told to predict what will be in the chest. Then the lid of the chest is opened ”Let us look…. it is a battery”. Then the chest is closed. What it is in the chest is asked.
The target question: Then Ayse, appears from behind the mountain: Ayse has not seen what it is inside. Now she is approaches. Then the child is asked what Ayse supposes is in the chest? (the target question) and if she saw inside the chest? (the memory question).
The correct answer is “no” for both the target question and the memory question.
Task 8: Diverse Beliefs
Requirements: A hat and a puppet for Ali and for Mevra’s father.
Protagonist says and acts: You come to the car again. Mevra’s father drives the car and arrives at Ali’s home. After Ali leaves the car, he realizes that his hat is lost. He wants to find his hat. Where do you think his hat is? At the birthday home or in the car? (this is the own belief question).
If the children choose the birthday home, that sounds good, but Ali thinks that his hat is in the car (or, if the children choose the car, they are told that Ali thinks that his hat is at the birthday home).
The target question is “Where will Ali look for his hat?”
The correct answer is opposite from their answer which responds to the own belief in order to pass the task.
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Coşkun, K., Kara, C. & Coskun, M. New Scaling of Theory of Mind Tasks: Where Can the Intentional Aspect Be Scaled?. Act Nerv Super 62, 78–87 (2020). https://doi.org/10.1007/s41470-020-00072-2
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DOI: https://doi.org/10.1007/s41470-020-00072-2