71% of adolescent long-term CI users obtain verbal IQs within or above one standard deviation of hearing age-mates¶

Claim · All claims
Evidence · 1 study · associational r2 · q3
Currency · newest study 2011 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? Seventy-one percent of teenagers with more than 10 years of CI experience obtained WISC-III VIQ scores at or above 85, within or above one SD of typically developing hearing age-mates. → Geers Ann E. 2011

Evidence¶

Geers Ann E. 2011¶

Geers Ann E., Sedey Allison L. (2011). Language and Verbal Reasoning Skills in Adolescents with 10 or More Years of Cochlear Implant Experience. Ear and Hearing. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3157037/

q3 · i? · associational · r2

Results section reports standardized WISC-III Verbal IQ for the 112-participant CI-HS sample against the normative sample of typically developing age-mates, with "Seventy-one percent of the teenagers obtained VIQs within or above one SD". The mean VIQ of 91.3 was almost 10 points below the expected mean of 100.

"Seventy-one percent of the teenagers obtained VIQs within or above one SD of age-mates in the NS-TD sample (i.e., they obtained a VIQ ≥85)."

Discussion¶

Related Claims¶

• Two-thirds to three-quarters of adolescent CI users score within the normal range on vocabulary and language content measures — related
• Adolescent CI users perform weakest on connected discourse comprehension and abstract verbal reasoning subtests — related
• Sample selection bias may have led the study to overestimate language outcomes for adolescents with long-term CI use — related
• Verbal reasoning subtest scores of long-term CI users increased from elementary grades to high school beyond expected age-related growth — related
• Adolescents with cochlear implants receive lower expository writing ratings than hearing peers across organization, content, language use, and vocabulary — related