ASLPI Research & Statistics

Those who develop and utilize tests are responsible for demonstrating and documenting the effectiveness of their assessments. Effectiveness is typically demonstrated by providing evidence of the reliability and validity of the assessment‘s use for specific purposes and for specific populations of test-takers. Given that the ASLPI is a high-stakes evaluation often used as a "gatekeeper" for specific purposes, it is essential to document the reliability and validity of the assessment for the population that may be impacted by the results of the evaluation.

Gallaudet University mandates and prioritizes validity and reliability research on the ASLPI which is ongoing. Through these studies, we are mindful of aligning the ASLPI with the field of language proficiency evaluation and best practices. As research studies are concluded and data outcomes are available to share, they will be posted below.


Research Mission
Standards for
High-Stakes Testing
Validity Studies
Reliability Studies
Research Firm

Research Recommendations and Implementation


ASLPI Chart of Numbers Served
Nationwide Distribution of Proficiency Levels


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