Age group | normal performance | compensatory drawing | incorrect performance | drawing element by element | superfluous elements | inert repetitions/ perseverations |
4 years | 1% | 4% | 9% | 9% | 20% | 57% |
5 years | 8% | 14% | 14% | 11% | 24% | 29% |
6 years | 18% | 25% | 22% | 13% | 15% | 7% |