• How GELPS Measures Writing Skills

    July 22, 2025 · GELPS Blog Automated essay scoring (AES) is one of the most well-established applications of natural language processing in educational assessment, with a research history spanning more…

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  • How GELPS Processes Millions of Responses

    July 09, 2025 · GELPS Blog The operational infrastructure required to process millions of language assessment responses involves a complex data pipeline spanning response collection, quality control, scoring, and reporting.…

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  • Celebrating the 2025 GELPS Scholarship Winners

    June 26, 2025 · GELPS Blog Ability estimation is the process of determining a test-taker’s most likely standing on the latent trait being measured based on their pattern of responses…

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  • Guide to Applying to UK Universities with GELPS

    June 13, 2025 · GELPS Blog Cross-national score comparability addresses whether a test score has the same meaning when used in different national educational systems. When an assessment developed in…

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  • How We Ensure Fairness in GELPS Scoring

    May 31, 2025 · GELPS Blog Ensuring fairness in automated scoring requires systematic attention to potential sources of bias throughout the model development, validation, and monitoring lifecycle. Fairness audits examine…

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  • GELPS Wins Education Innovation Award

    May 18, 2025 · GELPS Blog Innovation in adaptive testing encompasses advances in algorithmic methods, psychometric models, and technological infrastructure that improve the accuracy, efficiency, security, and fairness of computer-adaptive…

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  • What Test Takers Should Know

    May 05, 2025 · GELPS Blog The test information function is a fundamental concept in Item Response Theory that describes how precisely a test measures ability across the proficiency continuum.…

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  • How GELPS Measures Speaking Skills

    April 22, 2025 · GELPS Blog Automated scoring of spoken responses represents one of the most technically challenging applications of natural language processing in educational assessment. The complexity of spoken…

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  • GELPS Accepted at Top Business Schools

    April 09, 2025 · GELPS Blog Validating score interpretations across different decision contexts is a central concern in the argument-based approach to test validation. When a test designed for one…

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  • Why Language Test Scores Expire

    March 27, 2025 · GELPS Blog The practice of establishing validity periods for language test scores, typically two years from the test date, raises questions about the stability of language…

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