Freedom, environmental richness, teaching material, collaborating and self-correcting way of learning are the chief characteristics of method of?

Freedom, environmental richness, teaching material, collaborating and self-correcting way of learning are the chief characteristics of method of?
(a) Rousseau
(b) Froebel
(c) John Dewey
(d) Maria Montessori

✅ Correct Option: (d) Maria Montessori
Explanation: Montessori education emphasizes freedom, rich environment, self-learning, and specially designed materials for children.