Table A1.

Activities considered in the behavioral analysis.

Free Play	The robot welcomes the child and invites him/her to start playing in the provided area. During the play the robot motivates the child.
Role Playing—Symbolic Games	The robot asks the child a series of questions, involving storytelling, role playing and creation of stories The robot describes and demonstrates using gestures appropriate behaviors in various everyday scenarios such as how to approach friends, in a birthday party or a restaurant
Theory of Mind	Mimics: the children perform gross motor imitation tasks managed by the robot exclusively, with different levels of difficulty
Targeted Behavior or Emotion	(a) Shared attention scenario: The robot asks the child to identify objects in the room (b) Memory game with cards. The robot gives instructions of how the game is played (c) “I spy” game, guided by the robot
Relaxation	1. Robot: “Now I want to show you the relaxation corner; there, we will listen to music and learn various tricks you can do when you are not feeling well. Help me find the relaxation corner. Find the green circle on the wall. When you find it, tell me: green circle”. 2. Expected child response: “green circle or circle”. 2a. If yes, then the robot says: “Very nice. Let’s go to the relaxation corner now.” (Accompanied by the therapist and continues the robot to 3). 2b. If not: After 1st failure of child to answer, the robot says: “I’m not sure I understood well. Find the green circle and tell me a green circle”. After 2nd failure of child to answer, the robot says “We have not yet found the relaxation corner. Let’s try again. Look for the green circle and say “green circle”. If there is success, then go to 2a. After 3rd child failure to answer, the robot says “It is not easy to find the relaxation corner. Let’s try next time.” (therapist intervenes) 3. Robot: “Slow breaths help us to be calm. Listen to the sound we make when we take breaths, something like this:” (robot plays back a normal breathing sound). “We can take quick breaths like this:” (robot plays back a fast-breathing sound) “and very slow breaths like this:” (robot plays back a slow-breathing sound). “But only slow breaths help us to calm down. To start the game with the breaths, say: “now”. 4. Expected child response: “now”. 4a. If yes, then the robot says: “Very nice. Let’s start the game with the breaths.” 4b. If not: -After 1st child failure to answer, the robot says: “I’m not sure I understood well. Say the word “now” to start the game with the breaths”. If there is success then 4a. -After 2nd child failure to answer, the robot says: “It seems that you are not sure that you want us to play the game with the breaths. We can try next time” (therapist intervention).
	The therapist gives the child a pinwheel, and the robot explains the exercise, which is that, at the instruction of the robot, the child must blow on the pinwheel in order to make it spin.
	Muscle relaxation scenario where the robot instructs the child in various exercises involving breathing and muscle relaxation.