Table 3.

MAPS-AR-IT 12-month IRT estimates with severity threshold

	Item Slope	Category Thresholds					Item Location
		Rarely (Less than 1x/week) or higher	Some (1–3) days of the week or higher	Most (4–6) days of the week or higher	Every day of the week or higher	Many times each day or higher
	a	b1	b2	b3	b4	b5	mean (b)
Attention Regulation (95th perc. score = 1.72)
In the past month, how often did your child…
Have trouble sitting still even for a few minutes	2.19	−1.38	−0.31	0.5	1.25	1.71	0.36
Seem easily distracted by things that were happening around him/her	2.13	−2.12	−0.75	0.33	1.1	1.73	0.06
Fidget restlessly during feedings or mealtime	1.88	−0.24	0.73	1.63	2.33	3.08	1.51
Jump quickly from one toy or activity to another without really playing with the toys	1.59	−2.19	−0.79	0.47	1.22	2.02	0.15
Run or climb so dangerously that you couldn’t take your eyes off him/her	1.83	−0.64	0.14	0.89	1.44	2.21	0.81
Have trouble paying attention to a simple book or story for 5 minutes or longer	1.8	−1.81	−0.62	0.29	0.99	1.84	0.14
Demand your attention without being able to wait	1.79	−1.41	−0.34	0.67	1.31	2.11	0.47
In the past month, how often did your child have trouble paying attention, keeping still or waiting…
No matter what is going on around him/her	2.63	−0.6	0.51	1.27	1.71	2.79	1.14
When excited	1.96	−1.07	−0.03	1.06	1.69	2.72	0.88
During daily routines such as mealtime, bedtime, or getting dressed	2.34	−1.24	−0.14	0.75	1.47	2.34	0.64
When frustrated, angry, or upset	2.37	−1.44	−0.51	0.41	1.08	2.2	0.35
When tired, hungry, or sick	2.48	−1.45	−0.5	0.58	1.3	2.19	0.43

Note: Items ordered by severity score with each item stem. Mean(b) is the average of the five theta/item threshold values. Theta values greater than 1.72 were bolded, indicating atypicality. Items are presented in the table in the order of administration.