Whose theory is about Social Systems?

Which theorist came up with the zones of actual development and proximal development?

Which theorist found that children copy the behaviour of role models?

Which theory explains that if children repeatedly practice learning and skills/ are challenged to recall it then they are more likely to remember it?

Which theorist explained that positive reinforcement makes children more likely to repeat wanted behaviour?

Which theorist explained that children need their basic physical and then safety needs met first before they can learn?

Which theorist explained that children need to make attachments to have good emotional and social development throughout life?

Which theorist explained that children develop through 3 modes of representation (enactive, iconic, symbolic)?

Who's stages of intellectual development are sensor-imotor, pre operational, concrete operational and formal operational?

Who said that language learning is an innate ability (children are naturally born with it)?

Who's steps in schema development are assimilation, equilibrium, disequilibrium, accommodation?