Which of the Following Statements Best Characterizes How Piaget Thought

Multiple Choice

Which of the following statements best characterizes how Piaget thought about stages of cognitive development?

A) the stages describe abstract processes that could be applied to many content areas and that could be observed at roughly the same chronological age periods across cultures
B) stages emerge through times of disequilibrium and efforts to achieve new levels of equilibrium
C) each stage brings a qualitatively distinctive organization to thought and problem solving
D) all of the above