Table 6.

CBQ data

Subject	Age (in months)	Attention focusing score	Inhibitory control score
1	45	4.33	2.67
2	53	5.67	5.5
3	41	4.5	5.33
4	70	6.83	5.83
5	68	4	4
6	43	4.17	3
7	34	5.5	4.5
8	40	3.83	3.6
9	42	5.33	5.33
10	41	4.83	3.83
11	42	3	5.17
12	44	5.17	4.5
13	52	5.67	4.67
14	42	5.5	4.17
15	36	6.17	5.2
16	58	4.33	3.5
17	56	4.67	3.17
18	50	6.5	4.67
19	37	2.67	4.17

Note. Norms for 3 year-olds are 4.41 for attention focusing score and 4.26 for inhibitory control score; for 4 and 5 year-olds the norms are 4.5 for attention focusing score and 4.75 for inhibitory control score