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Mayes, Susan Dickerson – International Journal of Disability, Development and Education, 1999
The Mayes Motor Free Compilation (MMFC) assesses mental ability in young (under age 2) children with motor disabilities. This study evaluated the concurrent validity of the MMFC by administering it and the Bayley Scales of Infant Development to normal children. Findings suggest that the MMFC provides a valid estimate of mental age, even without…
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Measurement, Concurrent Validity

Pelco, Lynn E.; Sarpolis, Deborah L. – International Journal of Disability, Development and Education, 1999
This study investigated the concurrent validity of the Mayes Motor Free Compilation (MMFC) using the mental scale of the Bayley Scales of Infant Development (BSID) as the criterion variable with 50 typically developing preschool-aged children. Results indicated that the MMFC and the BSID scores were significantly and positively correlated.…
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Measurement, Concurrent Validity