Table 2.

VB-MAPP content validity values

Domain	CVI	Minimum CVR	Maximum CVR	No. of Significant Items*
Level 1
Mand	0.54	0.38	0.85	3
Tact	0.53	0.17	0.69	4
Listener responding	0.51	− 0.08	0.85	4
Visual perceptual skills & matching-to-sample	0.25	− 0.08	0.69	1
Independent play	0.20	− 0.08	0.38	0
Social behavior & social play	0.20	− 0.69	0.54	3
Motor imitation	0.35	0.23	0.54	1
Echoic	0.35	0.08	0.54	1
Spontaneous vocal behavior	0.23	− 0.08	0.38	0
Level 2
Mand	0.51	0.08	1.00	2
Tact	0.54	0.23	0.85	2
Listener responding	0.20	− 0.23	0.83	1
Visual perceptual skills & matching-to-sample	0.17	− 0.23	0.38	0
Independent play	0.38	0.08	0.85	2
Social behavior & social play	0.11	− 0.08	0.23	0
Motor imitation	0.48	0.08	1.00	2
Echoic	− 0.02	− 0.38	0.23	0
Listener responding by function, feature, & class	0.29	0.08	0.69	1
Intraverbal	0.51	0.08	0.85	4
Classroom routines & group skills	− 0.02	− 0.08	0.08	0
Linguistic structure	0.42	− 0.23	0.69	3
Level 3
Mand	0.51	0.23	0.69	3
Tact	0.38	0.08	0.54	2
Listener responding	0.32	0.08	0.54	1
Visual perceptual skills & matching-to-sample	− 0.09	− 0.54	0.33	0
Independent play	0.38	− 0.08	0.69	2
Social behavior & social play	0.45	0.38	0.54	2
Reading	0.14	− 0.23	0.69	1
Writing	0.11	− 0.23	0.38	0
Listener responding by function, feature, & class	0.48	− 0.08	0.69	3
Intraverbal	0.32	0.23	0.54	1
Classroom routines & group skills	0.26	− 0.23	0.69	1
Linguistic structure	0.32	0.08	0.69	1
Math	0.26	0.08	0.54	2

CVI content validity index, Minimum CVR Minimum content validity ratio among the five items for each domain, Maximum CVR Maximum content validity ratio among the five items for each domain

^*Upper-tailed p < 0.05 for 13 SMEs