Table 1.

Familiarization trials used in experiment

Moral	Immoral	Neutral
Actor playing with a toy, notices her playmate does not have a toy and says, “Aw..you don’t have any toys…here.” And proceeds to share her toy. The friend accepts the toy and smiles widely.	Actor playing with a toy, notices her playmate does not have a toy and says, “Ha ha, You don’t have any toys.” And proceeds to continue playing with her own toy. The playmate frowns and bows her head down.	Actor and playmate each playing with their own toys along side each other.
Actor and playmate seated on chairs and engaged in parallel play with stuffed animals. Playmate drops her toy in the direction of the main actor and main actor quickly picks up the toy and gives it to her playmate, who accepts it, smiling back.	Actor and playmate seated on chairs and engaged in parallel play with stuffed animals. Playmate drops her toy in the direction of the main actor and main actor quickly kicks the toy further away and stares back at the playmate. The playmate meets her eyes, frowning.	Actor and playmate seated on chairs and engaged in parallel play with stuffed animals.
Actor and her playmate drawing pictures together at a table. The playmate accidentally tears her own picture while drawing too vigorously. Main actor says, “Aw, you ripped your picture! Here, I can help,” and tapes her playmate’s picture. The playmate smiles back at the main actor.	Actor and her playmate drawing pictures together at a table. The playmate accidentally tears her own picture while drawing too vigorously. The main actor says, “Ha ha, you ripped your picture,” and proceeds to rip the picture further. The playmate frowns and bows her head down.	Actor and her playmate drawing pictures together at a table.
Playmate enters room, carrying a large bag that is difficult to handle. The main actor is seated, reading a magazine. The playmate asks, “Can you help me?” and the main actor says, “Sure! I can help!” and quickly jumps out of her seat to help set the bag down. The playmate smiles back at the main actor.	Friend enters room, carrying a large bag that is difficult to handle. The main actor is seated, reading a magazine. The playmate asks, “Can you help me?” and the main actor says, “No, I don’t want to help!” and stares at the playmate. The playmate stares back, frowning.	Friend enters room, carrying a bag and sets it down on the table without difficulty. The main actor is seated, reading a magazine.

Note.

Depending on the condition, children were presented with four consecutive clips of the moral or immoral actor. All children also saw four consecutive clips of the neutral actor.