is sitting in his high chair at breakfast time. As if to drive his
parents crazy, Miguel picks up each and every piece of food, from mushy
peaches to crunchy Cheerios, and drops it onto the floor. Sometimes he
drops just one piece, and sometimes he drops multiple pieces
simultaneously, as if to see if there is a difference in the result. As
he drops each piece, he carefully watches as it hits the floor.
According to Piaget, Miguel is most likely to be what age?