Links & Websites National website with background information to support RTI implementation in early reading. http://www2.ed.gov/about/inits/ed/earlyliteracy/index.htmlCategory: Background InformationRelated Resources: Links & Websites RTI Overview Module Online module that contrasts RTI with the discrepancy model for special education identification and that gives an overview of each tier within RTI. Videos Brief Overview of a 3-Tier Model Video reviewing response to intervention (RTI), including the different tiers, examining data to differentiate, and using various grouping formats. Videos 3-Tier Reading Model: Overview Video providing an overview of the 3-tier reading model. Links & Websites RTI Action Network, a Program of the National Center for Learning Disabilities National website with RTI background information, resources, and tools.