Evidence-Based Practices: What We Do

Step 4: Validation Studies

Evidence-based practice guides are reviewed and evaluated using a two-step process prior to their dissemination to ensure that we can claim the highest quality and confidence in their usefulness and effectiveness.

Steps of Practice Guides, described in text below

Step I

Once a practice guide has been developed, external reviewers determine whether the information presented accurately reflects the characteristics of the practice described in the research synthesis. Revisions are made based on feedback from external reviewers and the results of social validation studies.

Social validation studies are conducted to establish the value and usability of a practice guide. Practitioners, parents, and researchers are asked to assess the appeal, clarity, format, and content of the practice guides. Care is taken to include persons from different cultural, ethnic, and racial backgrounds in order to directly assess and establish the applicability of project materials and procedures for diverse audiences.

Step II

Field tests and research-to-practice studies are conducted with early childhood intervention program staff members and parents to further refine descriptions of methods and procedures. These studies help determine if the practice guide produces the desired effect, if the guide is effective in a variety of settings with diverse populations, if implementing the practice guide results in any unintended effects (either positive or negative), and how long and how often a practice guide must be used in order to produce anticipated effects.

Sposored by the Office of Special Education and Rehabilitative Services

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