Their thinking is pictorial, uncritical and unspecialised.

They possess a rich inner life where imagination and feeling are the main factors influencing their thinking. It is not uncommon for children to express their opinions of life in terms of extremes, of sympathies and antipathies. Healthy children of, say, nine or ten will act and judge almost entirely on their likes and dislikes.

Later, we shall describe sub-stages within the main stage.  What do you think?