Define RtI and its purpose. Compare the tiered interventions at the universal, secondary, and tertiary levels. 2.What are the essential components of the RtI system? Why are they essential? Explain. 3.What are the different types of data collected for effective implementation? Discuss each one briefly. 4.What is the role of the school counselor in RtI? Explain how a multitiered system of support relates to the ASCA model? 5. Explain why and how RtI is used in the identification of specific learning disabilities (SLD). 6. Describe the role RtI plays in supporting English Language Learners (ELLs) and culturally and diverse populations.