care and training of high grade mental defectives could not be better carried out within the framework of the general social services rather than through a special mental deficiency service. I shall try to show very briefly how I think this could be accomplished, and why I favour the contraction rather than the expansion of the mental deficiency services. First, then, to whom do the mental defi...

The object of this article is to offer information gained in examining mentally defective soldiers, to show their limitations, and the risks involved in keeping them in the Army, and to outline the way in which they are being dealt with. In civilian life we have to consider mental defect as a failure in social adaptation due mainly to lack of sufficient intelligence but frequently also to poor ...

No person who possesses a spark of humane feeling-, or who has any concern for the prosperity and happiness of our nation, can be other than impressed with the necessity for preventingmental deficiency. For it has been demonstrated to the full that mental defectives can never become independent and efficient citizens; that, from an economic standpoint, the lower grades are not only totally unpr...

The classical group testing problem asks to determine at most d defective elements in a set of n elements, by queries to subsets that return Yes if the subset contains some defective, and No if the subset is free of defectives. By the entropy lower bound, log2 ∑d