INDEX
- Ability of the feeble-minded, 74, 92, 197
- Arrest of development, see maturity
- Average curves, 280 ff
- Binet Scale, 7, 172
- Year units of, 260 ff
- Borderline of deficiency, 5, 13, 304 ff
- Causes of delinquency, 203 ff, 210 ff
- City jails, 148
- Coefficient of intelligence, 305, 313
- Conative cases, 15, 18, 24-30, 34-40, 239, 248
- Convicts deficient, 142
- Correlation: of degree of deficiency with delinquency, 217
- County institutions, 134, 148
- Crimes by the feeble-minded, 212, 214
- Criminal diathesis, 234
- Death rates, 30
- Deficiency, nature of, 21, 211 ff, 239
- See feeble, frequency, correlation, etc.
- Deficient delinquents, 158, 190, 199, 211 ff, 239, 246
- Delinquency, see frequency of, causes of, correlation, etc.
- Delinquents: first offenders, 165, 167
- Repeaters, 168
- Delinquents, tested: female, 128-141
- Male, 141-157
- Development curves, 252 ff., 279 ff
- Diagnosis, 6, 11, 14, 52, 90, 107, 172-176, 194, 197, 201, 241-244
- Distribution curves, 267-275, 317-323
- Doubtful cases, 18
- Employment of feeble-minded, 74-80
- Environment, 42, 225 ff
- Estimating deficiency by schooling, 190, 199
- Expert court advice, 243
- Family resemblance versus heredity, 231
- Feeble-minded not detected by tests, 14, 34-40
- Feeble-mindedness, 10, 17, 18, 20, 239
- See deficiency.
- Frequency of deficiency, 23, 47 ff., 80, 158 ff
- Frequency of delinquency among deficients, 211-218
- General ability, 34, 45, 282 ff
- Glen Lake Farm School, 122, 177
- Goddard's Scale, borderlines, 89, 106, 111, 313
- Goring's study of criminals, 218 ff., 231 ff
- Gruhle's method, 229
- Heredity, 229 ff., 236, 244
- Individual differences, 41, 280
- Inert cases, 15
- Instability, 15, 23
- Institutional care, 242, 246, 248
- Intellectual deficiency, 10, 17, 20
- Intelligence quotient, 304, 313
- Juvenile delinquency and deficiency, 220-223
- Juvenile delinquents, 162
- Kuhlmann's Scale, borderlines, 87-90, 111, 118
- Legal responsibility, 244
- Maturity of mind, 83, 282, 290
- Measurement units, 254 ff., 275 ff., 317
- Mental deficiency, 11, 20
- See feeble.
- Mental development, 279 ff
- Minneapolis: delinquents tested, 125
- Minneapolis, school group tested, 85-91
- Morons: chances of delinquency, 217
- Normal distribution, 256, 267
- Observation home, 242
- Offenses, 168
- Percentage definition of deficiency, 5, 13, 20, 65, 75, 80, 240, 304 ff., 307
- Advantages, 311 ff.
- Percentage feeble-minded, 47 ff.
- Percentiles as units, 276
- Point Scale, borderlines, 114, 313
- Prostitutes, 78, 129, 140, 158
- Schooling, 186
- Quantitative definitions, 21, 304 ff.
- Effect of uncertain forms of distribution, 317 ff.
- Ranks as units, 276
- Rates of development, 290 ff.
- Recidivism, 168, 235
- Reformatories, 128, 143
- Responsibility of deficients, 244
- School test of deficiency, 177, 189 ff.
- School maladjustment, 203-209, 247
- School retardation of delinquents, 177-188, 190-194, 199
- Skewed distributions, 267, 300
- Social care, 47-52, 80, 158 ff., 212-214, 216, 237, 242-251
- Social deficiency, 10, 15, 74, 239
- Special ability, 34, 45
- Special classes, 62 ff., 74-80
- Standard deviation, 256, 306, 314
- Stanford Scale, borderlines, 101, 112, 313
- State prisons, 128, 141
- State Training Schools, 131, 145
- Sterilization, 245
- Test by school retardation, 177, 189
- Tested deficiency, 13
- Tests, mental, 170 ff.
- See also Binet, Goddard, Kuhlmann, Point, and Stanford Scales.
- Thorn Hill Detention Home, 151
- Training for deficients, 205
- Units of measurement, 254, 275, 317
- Vagrancy, 158
- Variability, 41-46, 280 ff.
- Year units, 260-266
TRANSCRIBER'S NOTE
- Changed the total column in Table X on p. 151 for the life-age 8 row to 1 and the Totals row to 124.
- In TABLE XIII. on p. 179 the GIRLS Percentages columns on the Ordinary Pupils row only adds up to 99%.
- Silently corrected typographical errors.
- Retained anachronistic and non-standard spellings as printed.