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| Intelligence Quotient | 1 |
| Intelligence Tests | 1 |
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| American Journal on Mental… | 1 |
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| Atkinson, Leslie | 1 |
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| Developmental Quotient | 1 |
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Atkinson, Leslie – American Journal on Mental Retardation, 1990
The test-retest reliability and predictive validity of developmental quotients (DQs) derived from the Cattell Infant Intelligence Scale was assessed with 83 children with mental retardation, age 30 months or more. Scores were impressively stable on retest. DQs derived from the Bayley Scales of Infant Development were superior to Cattell DQs in…
Descriptors: Intelligence Quotient, Intelligence Tests, Mental Retardation, Predictive Measurement
