Georgie Is Taking a Chemistry Class, Where Different Liquids Must

Multiple Choice

Georgie is taking a chemistry class, where different liquids must be combined in specific amounts in order to produce an end product. Rather than just pouring them all together, Georgie understands that he must combine specific amounts of each ingredient so that he creates the right mixture. Clearly Georgie has reached the ____ stage of cognitive development.

A) ​latency
B) ​trust vs. mistrust
C) ​concrete operational
D) ​formal operational