The language and thought of the child

The functions of language in two children of six

Types and stages in the conversation of children between the ages of four and seven

Understanding and verbal explanation between children of the same age between the years of six and eight

Some peculiarities of verbal understanding in the child between the ages of nine and eleven

The questions of a child of six

The measure of ego-centric language in verbal communication between the adult and the child and in verbal exchanges between children.