Categorical growth models describe examinee growth in terms of performance-level category transitions, which implies that some percentage of examinees will be misclassified. This paper introduces a new procedure for estimating the classification accuracy of categorical growth models, based on Rudner's classification accuracy index for item…

Now more than ever, school principals play a critical role in the effective implementation of inclusive education programs in their schools, as inclusive practices are becoming tightly embedded in a school's culture (Sailor, 2016; Shogren et al., 2015). The success of inclusive education programs has been primarily supported by school principals'…