Among 82 state charity cases of dependent children, the most conservative estimate put 19.5% feeble-minded and only about 37% testing up to normal¶
Claim · All claims
Evidence · 1 study · associationalr1·q2
Currency · newest study 1917 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 1922: baselines and conditions change
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q2 i? In 82 state charity dependent children tested with the Binet or Yerkes-Bridges scales, even the conservative Three Per Cent. Hypothesis diagnosis gave 19.5% feeble-minded and only 36.6% normal. → Pintner 1917
Evidence¶
Pintner 1917¶
Pintner, R. (1917). The Mentality of the Dependent Child, Together with a Plan for a Mental Survey of an Institution. The Journal of Educational Psychology. https://doi.org/10.1037/h0075825
q2 · i? · associational · r1
Observational mental examinations of 82 state charity cases (56 by Binet, 26 by Yerkes-Bridges Point Scale), diagnosed by both C. M. A. and Three Per Cent. Hypothesis methods. The article reports the combined distribution shows "at best only 37% of the children who test up to normal."
"Even the more conservative estimate of 19.5% feeble-minded is high and indicates that this group of State Charity cases is made up of very poor mental material. There are at best only 37% of the children who test up to normal."
Discussion¶
Related Claims¶
- Binet testing of one hundred juvenile court cases classified sixty-six per cent as feeble-minded — related
- State charity dependent cases contained a much larger percentage of feeble-minded children than the county home cases, 19.5% versus 5.7% by the conservative estimate — related
- Applying the Stanford revision to selected children in four California cities, Williams classified 32% feeble-minded, 20% borderline, 22% dull normal, and 26% normal or superior. — related
- The Three Per Cent. Hypothesis produced a distribution of children's home cases closer to the normal curve than the C. M. A. method, skewed left with most cases in the backward group — related
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