Testing the Development of Young Children

infant and quite young child, they were immediately made to realise by the child himself how impossible it is to isolate purely intellectual activity and to study it apart from manipulative play, sense perception and social relations. It may be possible to do this to a greater or lesser extent (less rather than greater) with the child of six or seven years and over; but quite impossible with the infant and young child. The ripe wisdom of the chapter on the technique of testing is outstanding. The practical instructions in the art of testing are based on a real appreciation of the child's interests and of the way in which his mind operates in relation to people and things. Unfortunately, however, it must be pointed out that three serious weaknesses characterise the book. The first is the inadequacy and inaccuracy of the historical introduction. The account offered of the history of the develop-