Table 2.

Experimental results from all residents from the US in the first (n=29) and second (n=15) round of testing

	Circularity		Accuracy		Fluency		Overall
	UST2	UST1	UST2	UST1	UST2	UST1	UST2	UST1
Mean, %	82.50	80.84	96.57	89.33	91.32	89.44	90.5	85.82
Standard deviation, %	12.97	9.09	2.85	9.23	4.09	9.73	6.18	6.06

Abbreviations: UST1, residents from the US in the first round of testing; UST2, residents from the US in the second round of testing.