Distance Category	Device	Mean ± SD shot distance (yards/feet)	Shots (n)	Mean bias ± SD (yards/feet)	95% CI	z (p)	rs	R2
≥200 yards	Arccos	238 ± 28	86	-1 ± 9	-3−1	0.69 (0.49)	0.96*	0.89
	Control A	237 ± 27
	Shot Scope	237 ± 29	89	0 ± 9	-2−2	-1.84 (0.07)	0.97*	0.91
	Control B	237 ± 27
150-⁠199 yards	Arccos	173 ± 15	77	0 ± 5	-1−1	-0.25 (0.80)	0.96*	0.91
	Control A	173 ± 14
	Shot Scope	173 ± 15	86	1 ± 4	-0−1	-3.05 (<0.05)	0.97*	0.93
	Control B	173 ± 14
100-149 yards	Arccos	123 ± 14	107	-1 ± 5	-2−0	1.85 (0.06)	0.96*	0.89
	Control A	123 ± 14
	Shot Scope	121 ± 14	129	0 ± 4	-1−1	-1.06 (0.29)	0.97*	0.92
	Control B	121 ± 14
50-99 yards	Arccos	79 ± 14	80	1 ± 3	0−1	-2.79 (<0.05)	0.98*	0.96
	Control A	80 ± 14
	Shot Scope	79 ± 14	83	1 ± 2	1−1	-4.06 (<0.05)	0.99*	0.98
	Control B	80 ± 14
≤49 yards	Arccos	26 ± 11	104	0 ± 3	-1−1	-0.33 (0.74)	0.97*	0.92
	Control A	26 ± 12
	Shot Scope	25 ± 12	115	1 ± 3	0−1	-3.21 (<0.05)	0.97*	0.94
	Control B	26 ± 12
Putts (feet)	Arccos	14 ± 18	307	0 ± 7	0−0	-1.59 (0.11)	0.91*	0.88
	Control A	14 ± 18
	Shot Scope	15 ± 17	350	-1 ± 5	0−0	1.19 (0.24)	0.91*	0.90
	Control B	14 ± 17