Evidence Tiers and WWC Ratings

Resources

Video
WWC Study Ratings
February 22, 2021

This video explains the ratings that studies reviewed by the What Works Clearinghouse (WWC) can receive.
Video
How States Can Use the WWC to Inform Evidence Use under ESSA
May 8, 2020

This What Works Clearinghouse (WWC) video describes how the Oklahoma State Department of Education and the Mississippi Department of Education use the WWC to inform supports for evidence use.
Webinar
Using WWC Resources to Identify Interventions that Meet the ESSA Tiers of Evidence
March 6, 2020

The What Works Clearinghouse (WWC) hosted a webinar on March 6, 2020 on the alignment between Every Student Succeeds Act (ESSA) tiers of evidence and the WWC evidence standards.
Webinar
Using Evidence-Based Practices from the WWC to Support State-Level ESSA Implementation
December 11, 2019

The WWC hosted a webinar on December 11, 2019 to explore how state-level staff can use WWC resources to identify and implement evidence-based practices under the Every Student Succeeds Act (ESSA).

About Practice Guides

Infographic
Guides to Evidence-Based Practices for Educators in Secondary Schools
March 1, 2020

The WWC practice guides provide recommendations that can help teachers, administrators, and other educators improve student outcomes. This infographic maps the practice guide recommendations for secon...
Infographic
Guides to Evidence-Based Practices for Educators in Elementary Schools
March 1, 2020

The WWC practice guides provide recommendations that can help teachers, administrators, and other educators improve student outcomes. This infographic maps the practice guide recommendations for eleme...
Webinar
Introducing for public comment: WWC Procedures and Standards Handbook, Version 5.0
March 22, 2022

The WWC hosted a webinar on March 22, 2022 to introduce the major updates proposed for the WWC Procedures and Standards Handbook, Version 5.0 during the Handbook public comment period.
Infographic
Making Evidence-Based Decisions: WWC Ratings and Evidence Levels
November 17, 2021

This infographic describes the specific ratings and elements used by the WWC, as well as the process to determine those ratings.
Video
WWC Intervention Effectiveness Ratings
November 17, 2021

This video describes Intervention Report ratings currently used on the WWC website under Version 4.1 of the Procedures Handbook.
Video
Finding Tier 1, Tier 2, and Tier 3 Evidence from the What Works Clearinghouse
April 3, 2020

This presentation is on finding Tier 1, Tier 2, and Tier 3 evidence from the What Works Clearinghouse
Infographic
How to Use WWC Individual Study Reviews
January 31, 2020

This infographic highlights how users can find individual studies that have been reviewed by the What Works Clearinghouse (WWC) and outcomes aligned with the Every Student Succeeds Act (ESSA) tiers of...
Video
Using the WWC to Identify ESSA Evidence Ratings
May 1, 2019

The WWC includes tools to assist state and local administrators, teachers, and others in finding research that meets the definitions of strong (Tier 1) or moderate(Tier 2) evidence under ESSA. This vi...
Video
Understanding the Department of Education's Evidence Definitions
April 1, 2018

The Department of Education defines different "tiers" of evidence for education activities, strategies, and interventions. This presentation explains how federal education law and the Department's reg...
Video
Using the WWC to Find Strong or Moderate Evidence
April 1, 2018

The Department of Education defines different "tiers" of evidence for education activities, strategies, and interventions. This presentation describes how the What Works Clearinghouse website can be u...
Reference
Level of Evidence Practice Guides
October 1, 2017

What Works Clearinghouse (WWC) practice guides provide educators with evidence-based practices to tackle current challenges in education. For each recommendation in a practice guide, the WWC works wit...
Video
Practice Guide Level of Evidence Video
October 1, 2017

What Works Clearinghouse (WWC) practice guides provide educators with evidence-based practices to tackle current challenges in education. For each recommendation in a practice guide, the WWC works wit...
Video
Introduction to the What Works Clearinghouse's Reviews of Individual Studies Database: How to Find Evidence on the Effectiveness of Education Programs, Policies, and Practices
September 1, 2017

This video demonstrates how to use the What Works Clearinghouse's (WWC's) Reviews of Individual Studies Database to determine whether a particular study is among the thousands reviewed by the WWC. For...
Infographic
How the WWC Rates a Study
Discover more about the process the WWC uses to determine whether a study meets standards.
Infographic
Reporting What Works
Learn how the WWC summarizes and reports on the studies that meet standards within an intervention report.
Infographic
Using the WWC to Find ESSA Tiers of Evidence
This infographic describes how educators can use the WWC to search for studies that meet ESSA evidence tiers 1 and 2.

Connect With the WWC

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