Table 4.

Items in the Peer Relationships Item Bank, With GRM Parameter Estimates and Goodness of Fit Statistics, Along With Items Removed Because of LD or DIF

Item stem	SFa	a	b1	b2	b3	b4	SS-χ2	d.f.	p
I was able to count on my friends.	x	2.69	−1.99	−1.72	−0.88	−0.19	24	28	0.70
I felt accepted by other kids my age.	x	2.00	−1.93	−1.57	−0.80	−0.05	58	29	<0.01
I was able to talk about everything with my friends.	x	1.94	−2.18	−1.76	−0.59	0.10	42	29	0.06
Other kids wanted to talk to me.	x	1.90	−2.96	−2.25	−1.00	−0.06	28	20	0.12
Other kids wanted to be with me.	x	1.83	−2.51	−2.15	−0.70	0.37	43	28	0.03
I was good at making friends.	x	1.76	−2.69	−2.19	−1.08	−0.15	51	28	0.01
Other kids wanted to be my friend.	x	1.54	−2.65	−2.11	−0.78	0.44	26	18	0.10
My friends and I helped each other out.	x	1.74	−3.01	−2.53	−1.36	−0.48	37	22	0.02
I felt good about my friendships.		1.76	−3.04	−2.61	−1.56	−0.58	20	17	0.30
I was a good friend.		2.06	−3.17	−2.92	−1.74	−0.78	30	17	0.03
I shared with other kids (food, games, pens, etc.).		1.42	−2.62	−2.16	−0.84	0.13	33	21	0.04
I liked being around other kids my age.		1.49	−3.00	−2.66	−1.40	−0.59	40	29	0.09
I was able to have fun with my friends.		1.69	−2.84	−2.60	−1.81	−0.83	28	16	0.03
I spent time with my friends.		1.27	−3.27	−2.80	−1.48	−0.13	32	29	0.31
I played alone and kept to myself.		0.65	−4.94	−3.47	−1.38	0.22	34	29	0.45
LD items removed
I did things with other kids my age.
I wished I had more friends.
I was good at talking with other kids my age.
DIF items removed
I could talk with my classmates.
I was able to stand up for myself with other kids my age.

Note. Italicized p values are significant after Benjamini-Hochberg correction for multiplicity.

^aItems marked with “x” in the “SF” column constitute the short form.