Both typically developing groups met the same criteria for nonverbal IQ, hearing and native language and did not score below 1 SD on more than one of the six standardized language tests or have a history of speech, language, social or psychological impairments.
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By Jelani Cobb By David Remnick By Joan Acocella By Jia Tolentino By Doreen St. Félix Andrew Boynton Copy-Edits Recent Remarks by Donald Trump Our copy editor Andrew Boynton copy-edits Donald Trump's Black History Month speech, and his speech at the National Prayer Breakfast.
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All participants were healthy native Hebrew speakers from middle-class backgrounds, with no reported history of speech, language, learning or hearing difficulties.
No family history of speech, language, or other developmental impairments or severe neuropsychiatric diseases was allowed.
Eligible participants with a history of speech, language, or communication impairments, as well as other developmental disorders, were excluded from the study.
The language-normal group differ significantly from the intervention and waiting groups on all language scores (table 2) and on the variable family history of speech and language disorder (SLD) (χ test, p<0.001).
