Assessing the Discriminative Ability and Internal Consistency of the School Outcomes Measure

Table 6

Cronbach’s alphas for all items in subscales.

Subscale	Cronbach’s alpha
Self-care	0.9546
Mobility	0.9721
Assuming a student's role—preschool/elementary school	0.9897
Assuming a student's role—secondary school	0.9994
Expressing learning—students unable to use speech	0.9289
Expressing learning—all students	0.8769
Behavior	0.9380