सीखने और विकास की प्रक्रिया में जीन पियाजे ने किसे प्राथमिक महत्व दिया है?

Diya, a 5-year-old girl, is shown 12 pencils, 4 of which are black and 8 are brown. When asked 'Are there more brown pencils or more pencils?', she responds 'More brown pencils'. According to Jean Piaget's theory, the reason for this is that the child is yet to master:

Assertion (A): A major criticism of Jean Piaget's theory is the consideration that children are active beings. Reason (R): Children learn through passive reception of information. Choose the correct option.