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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Monogr Soc Res Child Dev. 2019 Jun;84(2):7–147. doi: 10.1111/mono.12405

Table 5.2.

Bimanual bouts and time per bouts per month for each participant

Bouts (count)
P Age (months)
15 16 17 18 19 20 21 22 23 24 25 26 27
1 5 2 3 7 8 8 22 9 7
2 13 5 1 5 9 13 14 5 10
3 27 8 13 22 42 24 17 9 12 16 8 18 9
4 1 7 3 14 7 12 23 7 8 6
5 24 2 37 16 17 10 13 1 17
6 15 8 5 9 4 2
7 18 12 9 8 7 8 1 7 6 9 3 27
Average time per bouts (s)
P Age (months)
15 16 17 18 19 20 21 22 23 24 25 26 27
1 5.6 9.3 12.3 11.6 16.5 7.4 9.9 8.0 11.4
2 3.1 3.5 1.6 8.3 8.1 7.3 7.0 7.7 8.4
3 4.2 4.5 2.7 3.8 3.2 4.8 6.2 4.5 5.6 7.1 5.2 5.0 7.0
4 10.6 5.9 2.7 6.4 3.2 3.6 3.9 6.5 4.9 6.6
5 4.1 2.1 3.4 4.7 5.4 3.4 2.2 5.7 6.6
6 3.8 3.0 5.3 4.7 4.3 9.2
7 3.4 3.7 3.6 3.5 3.6 3.6 2.5 5.5 4.3 5.4 6.0 5.4