RTI Action Network - D - Glossary

Featured Terms | Glossary


Summative Assessment/Evaluation: Comprehensive in nature, provides accountability, and is used to check the level of learning at the end of a unit of study. More »

Voices From the Field

"Instead of concentrating on the "bar" that kids are supposed to be clearing, we're focusing on taking students from "where they are and moving them forward." [Read full story »]

— Paul A. Jebe, Principal, CO

Submit your story and let your voice be heard too.

Ask the Experts

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]

Submit a question to our experts.

RTI Poll


Do you conduct standard protocol interventions at Tier 2 at your school? Yes. No. I don't know. VoteResults

RTI Action Update
Register now and receive our monthly newsletter for up-to-date information on RTI.

Find Us on Facebook!

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.

All | A | C | D | E | F | I | L | N | O | P | R | S | T | U | V |

Data Points

Points on a graph that represent student achievement or behavior relative to a specific assessment at a specific time.

Data-Based/Data-Driven Decision Making

A process of collecting, analyzing, and summarizing information to answer a question and to guide development, implementation, and evaluation of an action. Data-based decision making is continuous and regular, and most importantly linked to educational/socially important questions.

Dependent Variable

Element that may be influenced or modified by some treatment or exposure.

Differentiated Instruction

Process of designing lesson plans that meet the needs of the range of learners; such planning includes learning objectives, grouping practices, teaching methods, varied assignments, and varied materials chosen based on student skill levels, interest levels, and learning preferences;
differentiated instruction focuses on instructional strategies, instructional groupings, and an array of materials.

Discrepancy

a) Difference between two outcome measures; b) IQ-achievement discrepancy – difference between scores on a norm-referenced intelligence test and a norm-referenced achievement test; c) Difference between pre-test and post-test on a criterion-referenced test.

Disproportionality

The over- or under-representation of minority students in special education. In other words, there is a disproportionate number, either a significantly larger or smaller percentage, of students from a specific minority background receiving special education services than the percentage of that minority in the population generally.