​Which of These Did Piaget Say About Stages of Intellectual

Multiple Choice

​Which of these did Piaget say about stages of intellectual development?

A) Some children skip over one of the intermediate stages.
B) ​Everyone goes through the same stages in the same order.
C) ​The stages of development vary sharply from one culture to another.
D) ​People generally take a step backward at adolescence before making further progress.