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Reported speech in individuals with Down syndrome: First evidence
Mental age
(SON-R 2 ½–7)
Mean (SD) 5.03 (1.02) – – –
Range 3.05–8;00
MLU (in words)
Mean (SD) 7.00 (2.94) 4.98 (0.51) 5.34 (0.61) 6.31 (0.51)
Range 1.57–13.28 3.78–5.77 3.78–6.07 5.59–7.23
Note: Nonverbal [...] current study.
Mental age was calculated based on assessments using the Reasoning
scale of the SON-R 2 ½–7 (Tellegen et al., 2007), which includes three
subtests: categories, analogies, and situations. The [...] Communica-
tion in Autism, 11, 169–216. Tellegen, P. J., Laros, J. A., & Petermann, F. (2007). SON-R 2 ½-7. Hogrefe.
Tompkins, V., Farrar, M., & Montgomery, D. (2019). Speaking your
mind: Language and narrative …