The purpose of this study was to examine the accuracy of function-based decisions made in consideration of scores from the Intervention Selection Profile (ISP)-Function, a tool founded upon direct behavior rating methodology. The ISP-Function is designed to be a brief measure, given the need for efficient and low resource assessments in schools.…

The purpose of this study was to examine the accuracy of function-based decisions made in consideration of scores from the Intervention Selection Profile--Function (ISP-Function), a tool founded upon direct behavior rating (DBR) methodology. The ISP-Function is designed to be a brief measure, given the need for efficient and low-resource…

After decades of advancement in education equality, a disproportional number of racially minoritized students are placed in special education. Addressing the disproportionality is a complicated issue due to various contributing factors. One possible cause is racial bias from teachers who rate problem behaviors of African American boys for special…

We assessed potential factors associated with "current" or "ever" self-injurious behaviors, reported in the Autism Diagnostic Interview-Revised, among children with autism spectrum disorder (n = 692) from the Study to Explore Early Development. Data on factors examined were obtained from questionnaires, standardized clinical…

This study introduces a two-part factor mixture model as an alternative analysis approach to modeling data where strong floor effects and unobserved population heterogeneity exist in the measured items. As the names suggests, a two-part factor mixture model combines a two-part model, which addresses the problem of strong floor effects by…

Self-injurious behavior (SIB) is a chronic disorder that often begins in early childhood; however, few studies have examined the onset of SIB in young children. This preliminary study reports on the identification, assessment, and observation of SIB in 32 children who had begun to engage in SIB within the previous 6 months. Participants were under…

This study reports the use longitudinally of a valid and reliable instrument to measure teacher candidates' attitudes and beliefs about the nature of and the teaching of mathematics and science. The instrument used, "Attitudes and Beliefs about the Nature of and the Teaching of Mathematics and Science," was developed for the Maryland…