Which psychologists introduced the scientifically evolved application of principles and theories of learning in the education system?

Which psychologists introduced the scientifically evolved application of principles and theories of learning in the education system?

(a) Chinese
(b) German
(c) American
(d) British
✅ Correct option: (c) American
Explanation: American psychologists like Thorndike and Dewey applied scientific learning theories directly to educational practice.