and accuracy each had its own diagnostic importance and in order to make the tests most effective all should and must be taken into account in the final score summation. But more of this in the longer monograph.
(D) THE NORMS
The procedure involved in obtaining norms for the different designs was quite a complicated one, requiring a great deal of careful statistical work. In this effort the writer utilized the currently accepted standardization methods, with but slight modification. An explanation of the general pro-
Graph I. Mental Age Equivalents of Score Points.
cedure utilized together with a description of various methods of checking the results has been left for the later monograph. Suffice it to say that the score points mentioned in Table II. are to be interpreted in the same light as those of Buckingham in his standardization of his spelling tests, of Trabue in his
