RTI Action Network - I - Glossary

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Progress Monitoring: A scientifically based practice used to assess students’ academic performance and evaluate the effectiveness of instruction. Progress monitoring can be implemented with indiv... More »

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Should interventions in Tier 2 and Tier 3 follow the alignment of the core curriculum?

Response from Karen Wixson, Ph.D.: The general answer to this question is "yes"—Tier 2 and Tier 3 interventions should be aligned with the core curriculum. However...[read full response]

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Glossary

Browse the glossary below to learn the terms you need to know to successfully implement RTI in your school. This glossary was compiled using the following resources: The RTI Glossary of Terms developed by the IDEA Partnership @ NASDSE, the New Mexico Public Education Department RTI Glossary, and contributions from members of the RTI Action Network Advisory Council.

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IDEA

Individuals with Disabilities Education Improvement Act of 2004, also
referred to as IDEA 2004

Original passage in 1975; latest reauthorization in 2004; federal statute relative to public education and services to students with disabilities ages 3 through 21.

Inclusion

(as a service delivery model)

Students with identified disabilities are educated with general education age-/grade-level peers.

Independent Variable

Variable that is manipulated or selected by the researcher to determine relationship to a dependent variable; independent variable is the element that someone actively controls/changes (e.g., instructional strategy/intervention), while the dependent variable (e.g., student demonstration of skills) is the element that changes as a result.

Integrity of Intervention Implementation

See Fidelity.

Intensive Interventions

Academic and/or behavioral interventions characterized by increased length, frequency, and duration of implementation for students who struggle significantly; often associated with narrowest tier of an RTI tiered model; also referred to as tertiary interventions.