TY - JOUR T1 - The five sisters: A study of child psychology Y1 - 1939/05/06 N1 - 10.1001/jama.1939.02800180083041 JO - Journal of the American Medical Association SP - 1859 EP - 1859 VL - 112 IS - 18 N2 - The author of this book, a recognized psychologist, has done a great deal of work with preschool children and constructive psychologic work in the study of twins, so that it seems fortunate that he was the person selected for the Dionne quintuplets. He has written a most interesting book. It is rather light, but he has not hesitated to put in semitechnical diagrams and charts showing the growth and development of these five unusual children. He deals particularly with the psychologic factors involved in their growth and explains in a lucid and sensible fashion the fact that in most of the features which would be considered important in evaluating a child's mentality, for example the use of words and psychomotor adjustment, they have been retarded. He attributes this particularly to the fact that they were premature and shows that recently they have had a tendency to catch up in an SN - 0002-9955 M3 - doi: 10.1001/jama.1939.02800180083041 UR - http://dx.doi.org/10.1001/jama.1939.02800180083041 ER -