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Orlansky, Michael D.; Bonvillian, John D. – Merrill-Palmer Quarterly, 1985
Reports an 18-month longitudinal study of sign language acquisition in very young children of deaf parents. Results indicate that some revision of views on cognitive prerequisites for language is necessary. Implications for nonspeaking populations and for developmental theory are discussed. Reviews briefly sign language training programs for…
Descriptors: American Sign Language, Cognitive Development, Deafness, Infants

Courtin, Cyril – Journal of Deaf Studies and Deaf Education, 2000
The ability to attribute false beliefs by 155 deaf children (ages 5 and 8) grouped by communication mode and parental hearing status was compared to that of 39 hearing children (ages 4 to 6). Effective representational abilities were demonstrated by deaf children of deaf parents, whereas those with hearing parents appeared delayed, with…
Descriptors: Attribution Theory, Beliefs, Children, Cognitive Development

Jackson, A. Lyn – Journal of Deaf Studies and Deaf Education, 2001
Deaf children with signing parents, nonnative signing deaf children, children from a hearing impaired unit, oral deaf children, and hearing controls were tested on theory of Mind (ToM) tasks and a British sign language receptive language test. Language ability correlated positively and significantly with ToM ability. Age underpinned the…
Descriptors: Age Differences, Children, Cognitive Development, Deafness