Having two teachers work collaboratively in the same class has been suggested as a possible solution to several instructional challenges, including the inclusion of students with special needs in mainstream classrooms and as part of school-wide prevention models to increase student achievement. In this, shared responsibility between teachers is…

As traditional teaching methods may fail to serve children with special needs, special education (SE) services aim to compensate for the shortcomings of conventional schooling. However, despite of numerous studies on the effectiveness of SE services, the influence of potential selection bias remains a real challenge, and only a few studies have…