Size/Shape Constancy

Do you draw or paint?  If you want to make something appear far away on a two-dimensional canvas or piece of paper, how do you do that?  You make it smaller.  The reason this works is that as objects move farther away, their image on the retina of our eye gets smaller. Continue reading

The Zone of Proximal Development

There is an interesting concept in education referred to as the “zone of proximal development.”  If you present a child with a task that is above her current level of development, she will not be able to do it.  But there is a zone of proximal development, a little slice just above where the child currently is.  While the child will not be able to do a task in that zone, with the help of an adult, she will be able to do it. Continue reading