"How much people can learn at any moment depends on how they feel at that moment about the task and their ability to do the task. When we feel powerful and competent, we lead to difficult tasks. The difficulty does not discourage us, we think, sooner or later, "I'm going o get this." At other times, we can only think, "I'll never get this, it's too hard for me, I never was any good at this kind of thing, why do I have to do it." "
Learning this about children, the art of teaching is being able to sense which of these moods learners are in. Children can go from one mood to the other very quickly depending upon the environment, feedback.
"How Children Learn." is an interesting book to observe how a child learns. Do not really know the process but the minute observations and the analysis given in the book are helpful.