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Table 2 Language-related information based on parent report

From: Psychometric properties of the Inventory of Life Quality in children and adolescents in Norwegian Sign Language

Language skills

N

M (SD)

Sign language skills (1–12; CA)

38

9.05 (2.09)

 Ages 6–11 (ILC Child)1

23

8.87 (1.82)

 Ages 12–20 (ILC Adol.)

15

9.33 (2.50)

Spoken language skills (1–12; CA)

40

11.20 (1.70)

 Ages 6–11 (ILC Child)1,2

25

11.28 (1.70)

 Ages 12–20 (ILC Adol.)

15

11.07 (1.75)

  1. Sign Language Skills based on the sum scores of the sign language production scale (SPS) and the sign language understanding scale (SUS); range 0–12. Higher scores indicate better communication skills
  2. Spoken Languages Skills based on the sum scores of Categories of Auditory Performance (CAP) and Speech Intelligibility Rating (SIR); range 0–12. Higher scores indicate better communication skills
  3. CA children and adolescents—complete sample
  4. 1Significant difference between scores for Sign Language Skills (M = 8.87, SD = 1.82) and Spoken Language Skills (M = 11.28, SD = 1.70) for ages 6–11; t(22) =  − 5.53, p < .001
  5. 2One extreme outlier with a sum score of 4 (> 3 SD) was found for ages 6 to 11 for spoken language skills
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BMC Psychology

ISSN: 2050-7283

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