The study of a question such as that of Truancy must be undertaken on the basis of statistics. It is essentially a matter of investigating and gathering data upon individual cases. The preliminary search for material upon the subject revealed the fact that practically nothing had been written upon it and apparently little inquiry made into the problem. Accordingly, the writer obtained permission from Superintendent O.H. Close of the Preston School of Industry located at Ione, Amador County, California to conduct an investigation of this problem among the delinquent boys committed to that institution. This school is the state correctional institution for boys between the ages of 15 and 21 years. For comparative purposes, an investigation of ...