Table 4.

Coding scheme for video annotation.

Group	Behavior	Analytical category
Emotions	Enjoyment, Boredom, Frustration, Neutral, Fear
Verbal	Speak to the robot	Reciprocity
	Speak to others about the robot	Artifact
	Speak to others	Artifact
Distance	Maintain the social distance	Reciprocity
	Moves away from the robot	Affection (negative)
	Moves toward the robot	Affection (positive)
Gaze	Eye-contact	Reciprocity
	Look at the robot / marker	Playing
	Look at others	Artifact
Play	Help the robot to touch the marker	Affection (positive)
	Hides the mark	Playing