Piaget e os seus estádios de desenvolvimento

Boa tarde colegas, segundo Jean Piaget existem 4 estádios de desenvolvimento, que são os seguintes:

Estádios	Idade	Principais características
Sensório-Motor	Desde o nascimento até aos 2 anos	Dos reflexos inatos à construção da imagem mental, anterior à linguagem;                                                                                                                                                                                                                                             Coordenação de meios e de fins;                                                                                                                                                                                                                                            Permanência do objecto (8-12 meses);                                                                                                                                                                                                                                             Invenção de novos meios, imagem mental e formação de símbolos (18-24 meses).
Pré-Operatório	Dos 2 aos 7 anos	Inteligência representativa;                                                                                                                                                                                                                                             Egocentrismo intelectual – centração;                                                                                                                                                                                                                                            Pensamento mágico: animismo, realismo e finalismo;          Função simbólica (2-4 anos): linguagem, jogo imbólico, desenho;                                                                                                                                                                                                                                             Pensamento intuitivo (4-7 anos).
Operações Concreta	Dos 7 aos 11/12 anos	Reversibilidade mental;                                                                                                                                                                                                                                             Pensamento lógico, acção sobre o real;                                                                                                                                                                                                                                            Operações mentais: contar, medir, classificar, seriar;                                                                                                                                                                                                                                            Conservação da matéria sólida, líquida, peso e volume (invariâncias);        Tempo e velocidade.
Operações formais	Dos 11/12 aos 15/16 anos	Pensamento abstracto;        Operar sobre operações, acção sobre o possível;                                                                                                                                                                                                                                             Raciocínios hipotético-dedutivos;                                                                                                                                                                                                                                             Definição de conceitos e de valores.