Raj Is 12 Years Old

Multiple Choice

Raj is 12 years old.He recently developed a theory on his own about the irregular weather patterns in New York.He uses statistical analysis and certain scientific principles to predict the course of weather in New York.In the context of Piaget's theory of cognitive development,Raj is most likely in the _____ stage of development.

A) formal operational
B) preconventional
C) conventional
D) sensorimotor