Special Care and Treatment of Mental Defectives and Sexual Offenders in New Zealand. Wellington. 1925. Is. A copy of this Report, to which we referred in our July issue, has now reached us from Wellington, through the courtesy of the Acting Director-General of Health. The Committee dealt separately with the two classes of persons named, as being not necessarily identical, and we only propose to...

In Mr. Cyril Burt's valuable?or invaluable?work on "The Distribution and Relations of Educational Abilities," the following rule is laid down (p. 11):? ' 'The educational progress of ' 'defectives'' follows an average rate of about half a class (grade or standard) per annum?a rate of progress which is about half that of ordinary elementary school children. With defectives, educational developme...

The combinatorial group testing problem is, assuming the existence of up to d defectives among n items, to identify the defectives by as few tests as possible. In this paper, we study the problem for what values of n, given d, individual testing is optimal in nonadaptive group testing. Let N(d) denote the largest n for fixed d for which individual testing is optimal. We will show that N(d) = (d...

conform to the average human type representing the present stage of civilization. Abnormal, subnormal, and supernormal children are those who deviate from the average human type, and retarded children are those who have failed to make the usual progress in school work, as prescribed by school authorities and courses of study. This article is to deal exclusively with retarded children. For the p...

in consequence of a defect of their minds. In other words they are persons whose misconduct is not due to what is generally known as " badness," but to what, in the broad sense, may be comprehended within the term "madness." It is obvious that such a condition is one of extreme importance, and experience has shewn that it is also attended with very great difficulties. Indeed it is not too much ...

foresee a probable decrease in the number of mental defectives to be dealt with; but thought there were possibilities of a reduction in the number of physical defectives. There was an enormous and gratifying improvement in the conditions under which special education was carried on, and there could be none better than those enjoyed in some parts of Scotland. Mr. McKechnie begged all teachers to...

Mental Defectives, though it is a pity that the author did not include the legal definitions of mental deficiency as well as the modified explanatory ones.