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2. As a basis for the selection and organization of facts
One of the constant dangers in study is that facts will be collected without reference either to their values, as previously stated, or to their arrangement. Nature study frequently illustrates this danger. For instance, I once witnessed a recitation in which each member of a class of eleven-year-old children was supplied with a dead oak leaf and asked to write a description of it in detail. The entire period was occupied with the task, and following is a copy of one of the papers, without its figures.
THE OAK LEAF.
Greatest length … … … Length of the stem. …
Greatest breadth … . … . Color of the stem. … .
Number of lobes … … … Color of the leaf. … .
Number of indentations.. General shape … … …
The other papers closely resembled this one. Consider the worth of such knowledge! This is one way in which time is wasted in school and college. Probably the main reason for the choice of this topic was the fact that the leaves could be easily obtained. But if the teacher had been in the habit of setting up specific aims, and therefore of asking how such matter would prove valuable in life, she would have never given this lesson—unless higher authorities had required it.
One of my classes of about seventy primary teachers in the study of education once undertook to plan subject-matter in nature study for six-year-old children in Brooklyn. They agreed that the common house cat would be a fitting topic. And on being asked to state what facts they might teach, they gave the following sub-topics in almost exactly this order and wording: the ears; food and how obtained; the tongue; paws, including cushions; whiskers; teeth; action of tail; sounds; sharp hearing; sense of smell; cleanliness; eyes; looseness of the skin; quick waking; size of mouth; manner of catching prey; claws; care of young; locomotion; kinds of prey; enemies; protection by society for the prevention of cruelty to animals—twenty-two topics in all. When I inquired if they would teach the length of the tail, or the shape of the head and ears, or the length and shape of the legs, or the number of claws or of teeth, most of them said "no" with some hesitation, and some made no reply. When asked what more needed to be done with this list before presenting the subject to the children, some suggested that those facts pertaining to the head should be grouped together, likewise those pertaining to the body and those in regard to the extremities. Some rejected this suggestion, but offered no substitute. No general agreement to omit some of the topics in the list was reached, and most of the class saw no better plan than to present the subject, cat, under the twenty-two headings given.