. Author manuscript; available in PMC: 2019 Dec 17.

Published in final edited form as: Am J Intellect Dev Disabil. 2014 Jan;119(1):1–16. doi: 10.1352/1944-7558-119.1.1

Table 5.

Test–Retest Intraclass Correlations

Group	n	Total items endorsed	Five-item scale	Seven-item scale

All subjects	38	.90	.86	.86
Young (0–17 years)	20	.90	.79	.85
Adult (≥ 18 years)	18	.90	.90	.90
Male	25	.90	.76	.81
Female	13	.94	.94	.94

p ≤ .001, all comparisons.