Child-centred education was strongly advocated by which of the following thinkers?

'Child-centred' pedagogy means:

A child-centred classroom would: (i) have provisioning for a lot of resources. (ii) be based on flexible grouping. (iii) use the textbook as the only source of knowledge. (iv) have children as active participants. (v) follow a rigidly structured curriculum and employ summative assessment.