Peter is ten years old. he likes to play a game called "name, place, things, animals" along with his friends, because he often wins and is very good at it. in this game, children are given a list of random nouns, and they should write the nouns in the correct column. for example if the noun is "dog", they should write "dog" under the "animals" column. according to this scenario, peter is most likely in piaget's stage of development.