Word: cents
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Dates: during 1950-1959
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Working retrospectively, he found that if the table had been applied when these boys were six years old it would have predicted that 92 per cent of them were destined to become delinquents...
...group of 100 Jewish boys confined in the Hawthorne-Cedar Knolls School in New York State, with the purpose of determining the extent to which it would have been possible, years earlier, to have identified them accurately as potentially serious delinquents. Black and Mis Glick ascertained that 91 per cent of the group would have been correctly spotted by the test...
...showing behavioral difficulties, those who are true delinquents from those whose maladapted behavior is temporary. The SPT showed that among a representative group of 100 boys, included originally in a research project called the Cambridge-Somerville Youth Study, it would again have been possible to identify accurately 91 per cent of all the boys as either potential delinquents or as non-delinquents...
...discriminative potential of the SPT was found to be considerably greater than that of three clinicians (a psychiatrist, psychologist, and criminologist who had been initially charged with selecting the boys for the Cambridge-Somerville Youth Study. Thompson reported that the clinicians had correctly identified only 65 per cent in comparison with 91 per cent correctly identified...
...validity was made in 1954, when the Douglas A. Thom Clinic for Children in Boston, applied it to 57 boys ranging in age from 6 to 12 years, who had been treated for aggressive, destructive, anti-social behavior. The scorings made by the clinic psychologist indicated that 823 per cent of these boys, at the age of six, would have been clearly identified by the test as potential offenders...