How does a child develop? What areas do they develop in?
A child grows and develops constantly. Every experience and chance for learning helps them to develop more and expand on, learn or master new skills.
How does a child develop socially? Or emotionally? Or physically? Or cognitively? How does a child develop language skills? Want to know how the theorists explore child development?
The more experience they have to master a skill the easier it is for them to succeed.