29 studies across 12 states continue to show the validity of the Independent Reading Level Assessment® (IRLA®). The IRLA delivers specific, actionable information that drives instruction and serves as an indicator of how students will perform on interim assessments and state tests. American Reading Company has released two research briefs which describe the study results:   

• Relationship between the Independent Reading Level Assessment (IRLA) and State ELA Tests: Concurrent and Predictive Validity Evidence examines IRLA and state test correlations in CT, DE, IL, OR, RI, WA, WY 

• Relationship between the Independent Reading Level Assessment (IRLA) and Interim ELA Assessments: Concurrent Validity Evidence which reports IRLA and interim assessment correlations in CT, MI, NY, OR, WA, IL, MN, NE, RI, WY, NJ 

Review the briefs here.

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