Editor's Note: In education, materials and methods are inextricably bound together. It is with this understanding that we have invited the following article from Dr. Lou Brown. The difficult task of instructing trainable children in reading has been something less than a totally successful venture in special education and the positive outcome of Dr. Brown's work is refreshing in this regard. But of particular importance to those of us especially interested in instructional materials is the important and intricate association between materials and method illustrated in the following article on an instructional activity which approaches psychometry in its precision.
Brown et al. (Thu,) studied this question.