Yirmiya, N., Solomonica-Levi, D. et al., 1996 (adapted from Flavell, Flavell, Green, Moses, 1990) Value belief tasks: 1- selection of a favorite cookie from a choice of 3: after selection by child, the experimenter taste it as well and make a face of disgust 2- bottle of unpleasant smelling liquid: child confirm that the smell is unpleasant, the experimenter smells it as well and put a smiling face Q. Did you like that cookie?/ Did you like that smell? Q. Did the experimenter like that cookie?/ Did the experimenter like the smell?

Yirmiya, N., Solomonica-Levi, D. et al., 1996 Facts belief tasks: 3- sweets task: child is shown that a box contains candy while this information is inaccessible to the experimenter 4- juice task: child know that the carton had been emptied, while the experimenter had no reason to believe it was not full. Q. Do you know there is candy inside that box?/ Do you know the milk is all gone from that carton? Q. Does the experimenter know there is candy inside that box?/ Does the experimenter know the milk is all gone from that carton?

Yirmiya, N., Solomonica-Levi, D. et al., 1996 False belief task: adapted from Baron-Cohen et al. (1985) 2 puppets dolls (S & D) are displayed playing with a ball, then S. put the ball in her basket and leaves. While S. is away, D change the ball ’s location: 1st trial: D put the ball in another box 2nd trial: D put the ball in the experimenter pocket Memo-Q: Where did S put the ball before she left? Reality-Q:Where is the ball really? PredictingQ. Where will S. look for the ball?

Yirmiya, N., Solomonica-Levi, D. et al., 1996 Deception task: adapted from Hala, Chandler & Fritz (1991) A small car is hidden in one of 4 containers by a doll that left footprints. Child is asked to hide the car while one of the experimenter (E1) was outside, so that E1 will not be able to find it. This could be done by erasing the footprints and explicitly lying about the true location of the car or by creating false footprints to one other container. Prediction-Q: Where is the car now? False-belief-Q: Where will E1 look for the car? In order to pass the trials (2) the child had to manifest an ability to trick the E1 and to answer prediction-Q correctly

Yirmiya, N. & Shulman, C., 1996 Seriation task: adapted from Kingma, 1984 single seriation for length involving 10 tubes varying in length multiple seriation for length and color involving 5 tubes varying in length and in shades single seriation for size involving 4 flat squares multiple seriation for size and color involving 5 series of 5 flat squares single seriation for weight involving 5 blocks of the same dimensions that varied in weight multiple seriation for weight and color involving 25 blocks

Yirmiya, N. & Shulman, C., 1996 Conservation task: adapted from Goldschmid & Bentler, 1968 area number substance continuous quantity weight discontinuous quantity Transformation-Q: Does the 2 Play-Doh balls are still the same or not? (Conservation of weight) Explanation-Q: Why does the 2 Play-Doh are still the same?