TABLE 1.
Background information of the participants in each group.
| Variable | monoHFA (n = 14) | biHFA (n = 13) | monoTLD (n = 28) | biTLD (n = 30) | |
| Gender (girls/boys) | 0/14 | 2/11 | 18/10 | 16/14 | |
| Age (months) | M (SD) | 80 (19) | 82 (17) | 81 (13) | 80 (13) |
| Range | 54–110 | 60–108 | 63–100 | 60–103 | |
| Mothers’ education (years) | M (SD) | 15 (2) | 15 (4) | 16 (2) | 18 (3) |
| Range | 12–18 | 12–25 | 12–21 | 10–24 | |
| Raven (raw score) | M (SD) | 20 (6) | 22 (7) | 23 (7) | 24 (6) |
| Range | 13–32 | 13–36 | 10–34 | 14–36 | |
| ADOS (raw score) | M (SD) | 12 (4) | 10 (2) | n/a | n/a |
| Range | 8–21 | 7–14 | |||
| Age at onset of the Societal Language (months) | M (SD) | n/a1 | 18 (27) | n/a1 | 16 (18) |
| Range | 0–80 | 0–60 | |||
| Length of exposure to the Societal Language (months) | M (SD) | n/a1 | 64 (26) | n/a1 | 64 (30) |
| Range | 19–108 | 11–96 | |||
| Current exposure to the Societal Language (%) | M (SD) | n/a | 54 (14) | n/a | 53 (14) |
| Range | 25–75 | 25–75 |
1For monolingual Hebrew-speaking children, age of onset is 0 (i.e., from birth), since they were not exposed to any other language and length of exposure to the Societal Language (Hebrew) is equal to their chronological age.