Table 2.

Results of the ANCOVAs comparing spatiotemporal gait parameters across Condition, Phase and Group.

Measure	Condition X Phase X Group	Condition X Group	Phase X Group	Condition X Phase	Condition (small, large, forward)	Phase (approach, grasp)	Group (non-autistic, autistic)
Step Extremity Ratio (SER)	F2,48=4.893 p = 0.012 ηp2=0.169	F2,48=3.77 p = 0.030 ηp2=0.136	F1,24=5.052 p = 0.034 ηp2=0.174	F2,50=53.28 p < 0.001 ηp2=0.681	F2,50=48.32 p < 0.001 ηp2=0.659	F1,25=119.18 p < 0.001 ηp2=0.83	F1,24=0.14 p = 0.712 ηp2=0.006
Double Support (DS)	F1.35.23=1.646 p = 0.203 ηp2=0.064	F1.54,38.58=3.949 p = 0.038 ηp2=0.141	F1,25=1.415 p = 0.246 ηp2=0.056	F1.41,35.23=7.48 p = 0.005 ηp2=0.23	F1.54,38.58=30.77 p < 0.001 ηp2=0.55	F1,25=53.63 p < 0.001 ηp2=0.68	F1,25=1.146 p = 0.295 ηp2=0.046
Normalized Speed (NVel)	F1.36,34.1=4.157 p = 0.039 ηp2=0.148	F2,50=3.279 p = 0.046 ηp2=0.12	F1,25=2.613 p = 0.119 ηp2=0.098	F1.36,34.1=39.5 p < 0.001 ηp2=0.612	F2,50=50.11, p < 0.001 ηp2=0.67	F1,25=128.76 p < 0.001 ηp2=0.84	F1,25=0.23 p = 0.636 ηp2=0.009