Table 3.

The difference in the position of the hand along each axis (in mm) as an effect of increased signing rate for the sign FATHER.

Signer	Environment	Vertical axis	Lateral axis	Horizontal axis
LL	High	−88.8 to −131.1 Δ = 42.9 down***	34.4 to 15.1 Δ = 19.3 left	122.9 to 117.0 Δ = 6.0 back
	Low	−107.7 to −102.2 Δ = 5.5 up	29.5 to 30.2 Δ = 0.7 right	130.1 to 116.1 Δ = 14.0 back***
MF	High	−74.5 to −71.6 Δ = 2.8 up	−49.2 to −39.7 Δ = 9.5 right	95.4 to 108.9 Δ = 13.5 forward*
	Low	−53.8 to −79.3 Δ = 25.6 down***	−37.7 to −47.8 Δ = 10.1 left	122.3 to 90.4 Δ = 31.9 back***
RD	High	−64.6 to −52.2 Δ = 12.4 up**	10.8 to −128.9 Δ = 139.7 left***	116.7 to 68.6 Δ = 48.1 back***
	Low	−55.8 to −52.2 Δ = 3.6 up	−18.4 to −134.8 Δ = 116.4 right	131.7 to 53.2 Δ = 78.4 back***
VF	High	−7.9 to −22.1 Δ = 14.2 down*	−66.3 to −57.2 Δ = 9.1 right	131.5 to 115.0 Δ = 37.5 back**
	Low	−15.4 to −49.8 Δ = 34.4 down***	−56.7 to −66.8 Δ = 10.2 left	132.6 to 95.0 Δ = 37.5 back***

^*p ≤ .05

^**p ≤ .01

^***p ≤ .001