Table 3.

Reliability: Test-retest ICC Values

Test	Single Measures ICC (2-way Random)	95% Confidence Intervals
Size Flashlight W4D	0.946	0.855 – 0.985
Size W4DApp (33 cm)	0.968	0.907 – 0.992
Size W4DApp (90 cm)	0.978	0.933 – 0.995
Depth Flashlight W4D	0.433	−0.40 – 0.829
Depth W4DApp	0.901	0.749 – 0.972