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Response to Intervention KnowledgeBase

This KnowledgeBase archive includes content and external links that were accurate and relevant as of September 30, 2019.

The Response to Intervention KnowledgeBase is an online resource supporting educators in understanding and implementing the response to intervention (RTI) model. The National Implementation Research Network (NIRN) has identified four stages in the implementation of evidence-based strategies such as RTI. The first stage is Exploration, and it involves consideration of the essential components of RTI models and the district or school's readiness to implement an RTI model with fidelity. During the second stage, Installation, a district or school selects an RTI model and works actively to put in place all of the supports necessary for implementing the essential components. These supports can include staff member training, policies, implementation guides, forms, assessments, instructional programs, and software. The third stage is Initial Implementation, and it involves implementing the essential components. Initial Implementation can involve just a few components or teachers, and then implementation expands over time. When the majority of teachers are implementing all components of RTI with fidelity, the district or school is in the fourth stage, called Full Implementation. This KnowledgeBase is geared primarily toward those in the Exploration and Installation stages, with some resources for those in the Initial Implementation stage.

Task 1: Understand Implementation Fidelity

Guideline: Educators need to have a general understanding of what fidelity of implementation means and how to assess adherence to the response to intervention (RTI) model. This task includes resources to help build this understanding.


Practical Tips


Defining "Fidelity of Implementation" in the Context of RTI Implementation

This RTI Action Network blog entry describes common misconceptions about fidelity as related to RTI implementation and clarifies what fidelity of implementation means.



Fidelity of Implementation (regarding RTI)

In this Center on Response to Intervention video, Doug Fuchs, Ph.D., discusses what is meant by fidelity of implementation of instruction and intervention. The video runs five minutes with closed captioning and transcript provided.