Apart from the use of the senseless abstractions, “normal” and “abnormal,” we find this a well worth while study. Here the average or “normal” is meant in the terms of the Stanford-Binet scheme. The best devised thus far, it may be, but still too hypothetical a substratum. This is comprehended and taken into consideration.

This research would attempt to determine the general test level of various psychotic groups and the relative performance of different groups on different types of psychometric tests. In most groups of psychotics