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M. Karvonen; B. Beitling; K. Erickson; S. Morgan; R. Bull – National Center on Deaf-Blindness, 2021
This report describes a project that uses existing data sets to describe the population of students with significant cognitive disabilities and known or suspected dual sensory loss. It includes students with suspected dual sensory loss because students with significant cognitive disabilities are reported to have unidentified sensory loss (Erickson…
Descriptors: Intellectual Disability, Comorbidity, Perceptual Impairments, Student Characteristics
Baldwin, Bird Thomas – United States Bureau of Education, Department of the Interior, 1914
It should now be recognized that every child has at least five parallel ages: A "chronological" age, in years, months, and days: a "physiological" age, indicative of physical growth and maturity; a "mental" age, significant of intellectual capacity and ability; a "school standing," or "pedagogical"…
Descriptors: Academic Achievement, Developmental Stages, Physical Development, Adolescent Development