“let the punishment fit the crime” refers to which criminological school of thought?

Classical criminology because people have free will to choose criminal or conventional behaviors, people choose to commit crime for reasons of greed or personal need and crime can be controlled only by the fear of criminal sanctions

Assimilation

Explanation:

Children constantly acquires new information and experiences in early childhood and assimilate that information into their existing knowledge about the world.

Eight-month-old Kimberly responds to her first plum by rolling it around her high chair tray as if it were her red rubber ball. This demonstrates the Piagetian process of Assimilation.