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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Res Dev Disabil. 2017 Nov 6;72:79–95. doi: 10.1016/j.ridd.2017.10.025

Table 4.

Results of the Kruskal-Wallis Tests.

Variable χ2 df p-values
BOT-2 BOTSF 21.76 2 <0.001
Body coordination 23.67 2 <0.001
Fine manual 19.93 2 <0.001
Manual Dexterity 21.10 2 <0.001

SIPT-BMC Rhythmicity 8.13 2 0.017
Mirroring 12.25 2 0.002
Overflow 10.33 2 0.006
Total Error 12.05 2 0.002
Time to Completion 18.17 2 <0.001

Movement Variability Simple clap- Solo 5.73 2 ns
Complex clap- Solo 9.75 2 0.008
Simple march- Solo 12.52 2 0.002
Complex march- Solo 14.12 2 0.001
Simple drum- Solo 7.65 2 0.02
Complex drum- Solo 0.64 2 ns
Simple clap- Social 16.72 2 <0.001
Complex clap- Social 11.52 2 0.003
Simple march- Social 13.36 2 0.001
Complex march- Social 14.36 2 0.001
Simple drum- Social 16.80 2 <0.001
Complex drum- Social 1.99 2 ns

Movement Rate Simple clap- Solo 6.55 2 0.04
Complex clap- Solo 7.22 2 0.03
Simple march- Solo 12.99 2 0.002
Complex march- Solo 5.85 2 0.05
Simple drum- Solo 0.72 2 ns
Complex drum- Solo 3.71 2 ns
Simple clap- Social 10.23 2 0.006
Complex clap- Social 14.58 2 0.001
Simple march- Social 10.97 2 0.004
Complex march- Social 11.23 2 0.004
Simple drum- Social 2.81 2 ns
Complex drum- Social 0.08 2 ns

Interpersonal synchrony Simple clap 11.16 2 0.004
Complex clap 13.77 2 0.001
Simple march 13.43 2 0.001
Complex march 13.35 2 0.001
Simple drum 9.13 2 0.01
Complex drum 9.26 2 0.01

χ2, Chi-square; df, degree of freedom; ns, not significant with p>0.05