Table 3 Comparison between both groups regarding psychometric assessments
Items | Egyptian Mean, SD | Saudi Mean, SD | t(U) | df (Z) | p Value |
|---|---|---|---|---|---|
IQ | 65.5 ± 20.9 | 63.1 ± 23.1 | (259) | (-0.4) | 0.6 |
Guilliam scale (total) | 93.8 ± 14.7 | 86.5 ± 14.6 | 1.69 | 46 | 0.098 |
   1. stereotype | 7.5 ± 3.3 | 9.57 ± 3.1 | (182) | (-2.06) | 0.04 |
   2. communication | 6.26 ± 2.8 | 8.03 ± 3.1 | (146.5) | (-0.23) | 0.8 |
   3. social interaction | 8.75 ± 3.3 | 6.85 ± 3.32 | (197) | (-1.7) | 0.08 |
   4. developmental | 10.7 ± 1.7 | 8.6 ± 3.3 | (142) | (-2.16) | 0.03 |
Vineland ABS | 44.5 ± 15.16 | 41.75 ± 19.8 | 0.69 | 45 | 0.49 |
   1. Communication | 39.4 ± 13.7 | 41.3 ± 18.9 | (221.5) | (-0.96) | 0.3 |
   2. Daily skills | 46.4 ± 17.2 | 41.6 ± 23.5 | (226.5) | (-0.86) | 0.38 |
   3. Socialization | 48.2 ± 17.6 | 47.4 ± 21.03 | 0.13 | 45 | 0.89 |
   4. Motor | 62.4 ± 18.9 | 66.15 ± 20.8 | -0.45 | 22 | 0.65 |