Table 1

Griffiths 2–8 scale means and standard deviations2

Griffiths scaleMeanSD
© ARICD, reproduced with permission.
Total scale (GQ)100.1812.76
Locomotor development100.4116.32
Personal–social development100.2616.20
Hearing and speech99.7817.75
Hand and eye coordination100.4615.58
Performance tests99.8717.21
Practical reasoning99.7917.43