Table 1.

Psychometric properties of original and dimensional FYI 2.0 scoring distributions

	Original scoring	Continuous scoring
Total Risk
Mean, SD	4.68, 4.65	1.54, 0.20
Median	3.63	1.53
Skewness, Kurtosis	1.13, 0.81	0.59, 0.68
Range	0–23.75	1.10–2.33
Social-Communication Risk
Mean, SD	5.56, 7.10	1.39, 0.28
Median	3.25	1.33
Skewness, Kurtosis	1.78, 3.72	1.18, 2.35
Range	0–45.50	1.00–2.76
Sensory-Regulatory Risk
Mean, SD	3.80, 5.12	1.70, 0.24
Median	2.00	1.69
Skewness, Kurtosis	1.46, 1.59	0.11, −0.12
Range	0–24.25	1.06–2.48

Note. FYI 2.0 = First Year Inventory 2.0