Table 1.

Age and Raven’s percentiles of the ten subjects

Subjects	Age	Raven’s percentiles
1	5.5	95
2	6.8	10
3	6.2	99
4	8.0	99
5	9.2	10
6	5.5	99
7	7.9	60
8	10.4	1
9	9.2	60
10	13.5	60