who discovered about stages of cognitive development?

Name the stage of cognitive development the child makes schemas through touching and putting things in the mouth through senses ?

Name the stage in which the child develops abstract thinking?

Name the psychological process which involves building schemes through direct interactions with one's environment?

A child's ability to understand that objects continue to exist even when they are out of sight.

Jean Piaget was a ?

Children of t which cognitive stage of development usually can not not take the other person's perspective due to ?

Name the cognitive stage of development when the child develops the ability to do conservation tasks

The process in which individuals create new schemes or adjust the already existing ones .

A preschooler often thinks that non living things could also think and feel like us. This kind of thinking is known as ?