Table 1.

Target behaviors and operational definitions.

Participant	Domain	Target Behavior	Operational Definition	Example
1, 2, 3	ToM1	Seeing leads to knowing	Able to judge whether a person knows the content of a covered object by observing the person’s looking direction.	When Eric is staring at a box, the student would be able to judge whether Eric knows what is inside the box.
1, 2, 3	Social Skill1	Praising others	Able to verbally compliment others when seeing them do something positive.	When seeing Eric complete a long-distance basketball shot, the student would say, “Great job!”
1, 3	ToM2	Situation-based emotion	Able to tell others’ emotions (e.g., happy, sad) based on situational contexts.	When seeing Eric’s toy is broken, the student would understand how Eric feels.
1, 3	Social Skill2	Seeking help	Able to verbally ask for help when encountering difficulties.	When unable to reach an object on a bookshelf, the student would verbally ask an adult for help.
2	ToM3	Desire-based emotion	Able to tell others’ emotions (e.g., happy, sad) based on their emotional desire.	When Eric finally received the toy he always wanted, the student would be able to tell that Eric feels happy.
2	Social Skill3	Expressing emotion	Able to verbally express emotions.	When the student feels sad, they would be able to verbally express the emotion.