Methods of teaching in high schools . 87) This point is brought out more clearly in the followingquotation from Freeman : The elimination of useless movements, or the selection of appro-priate ones, is one of the fundamental processes in motor practical question which may be raised concerning it is whetherthe result can best be reached by emphasizing the movementswhich are to be selected or those which are to be eliminated. Ingeneral it is much better to fix attention on the movements whichare to be made, and allow the superfluous movements to drop outof themselves. It is a familiar
Methods of teaching in high schools . 87) This point is brought out more clearly in the followingquotation from Freeman : The elimination of useless movements, or the selection of appro-priate ones, is one of the fundamental processes in motor practical question which may be raised concerning it is whetherthe result can best be reached by emphasizing the movementswhich are to be selected or those which are to be eliminated. Ingeneral it is much better to fix attention on the movements whichare to be made, and allow the superfluous movements to drop outof themselves. It is a familiar fact that the bicycle rider avoids I04 TEACHING IN HIGH SCHOOLS the ditch best by keeping his attention on the path. The nervousenergy is automatically withdrawn from the channels leading tothe muscles not concerned, when the nervous channels to theappropriate muscles become more open. Directions should bepositive, then, rather than negative. The pupil should be shownwhat to do rather than what not to do. The only exception to Scale. APPARATUS USED BY DEARBORN FOR EXPERIMENTING UPONMIRROR WRITING this rule appears wtien the pupil has fallen into bad habits whichneed to be broken up. Then it may be necessary to call attentionto the thing to be avoided. (16 : 25) Tna/ and error, not rcaso7iing, predominant in mirroriviiting. — Dearborns experiments on the acquisition byadults of skill in mirror writing illustrate clearly the partplayed b) trial and accidental success but do not throw muchlight on the relative efficiency of methods of instruction. k ACQUIRING MOTOR CONTROL 105 The apparatus used by Dearborn is shown in the illustra-tion on page 104, In discussing the experiment he says : There is some advantage ... in an experiment which will indicatethat the trial-and-error method is in certain conditions regularly em-ployed even in adult human learning. The student is apt to get
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