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PreK–12 
Research

Featured Independent Research

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Strong Evidence for SRA Corrective Reading

In the National Assessment of Title I Programs, researchers found significant positive effects for Corrective Reading users on the Woodcock Word Attack assessment, qualifying as ESSA Strong evidence.

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  • Open Court Reading Meets Top Tiers of ESSA Criteria

    In a multisite cluster randomized study, researchers found significant positive effects on Reading Composite, Vocabulary, and Reading Comprehension. This study qualifies as ESSA Strong evidence.

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  • Significant Growth with Achieve3000 Literacy

    In a study qualifying as ESSA Strong evidence, students using Achieve3000 Literacy had more significant gains on the GMRT-4 Vocabulary, Reading Comprehension, and Total Reading tests than non-users.

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