328 male offenders at the age of 20, -30 were examined immediately after their sentences. They were reinvestigated 7 years (in average) after their discharge, and it was found that 64.9% out of them had become recidivists. Investigating various constitutional and environmental factors supposed to be the causes of recidivism, it was found that the following 7 factors were responsible in the highest ratio for recidivism.
1. Psychopathy (except asthenictype). c. c
2. Misconduct before 18 8a7g. 0e%. c. c79.2%
3. Previous frequent misconduct. c. c77.1%
4. Brken home. c. c72.8%
5. Incomplete ordinary school education. c. c 78.8%
6. Frequent change of occupation. c. c69.4%
7. Abnormal character and delinquency of parent. c. c86.5%
Of course some of these matters are separately of little importance and we must estimate them in their dynamic correlations. But for practical purposes I have tried to see the recidivism, and obtained the following result.
6.7. c. c100.0%recdivism
4.5. c. c91.7%
3. c. c79.2%
2. c. c61.0%
1. c. c50.0%
0. c. c 31.1%
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