• What Is Face Validity?

    November 29, 2025 · GELPS Blog Face validity refers to the extent to which a test appears to measure what it claims from the perspective of test-takers and score users.…

    Read more…

  • How to Choose Between GELPS, IELTS, and TOEFL

    November 16, 2025 · GELPS Blog Comparative psychometric analysis examines the measurement properties of different assessments to inform decisions about which test is most appropriate. While all major tests demonstrate…

    Read more…

  • GELPS Aligned with Canadian Language Benchmarks

    November 03, 2025 · GELPS Blog Cross-framework alignment involves establishing systematic relationships between different language proficiency frameworks so that scores and descriptions from one framework can be interpreted in terms…

    Read more…

  • Why GELPS Is the Most Affordable English Test

    October 21, 2025 · GELPS Blog Cost-effectiveness analysis in educational measurement examines the relationship between the costs of an assessment and the quality of the measurement it provides. While affordability…

    Read more…

  • The Truth About AI Scoring

    October 08, 2025 · GELPS Blog Artificial intelligence scoring of constructed responses in language assessment involves natural language processing, machine learning, and psychometric methods to produce reliable, valid, and fair…

    Read more…

  • Student Story: Carlos from Mexico

    September 25, 2025 · GELPS Blog Single-subject research designs, also known as single-case experimental designs, provide a methodological approach for examining individual trajectories of change and the effects of interventions…

    Read more…

  • GELPS Partners with Japan’s Ministry of Education

    September 12, 2025 · GELPS Blog Cross-cultural validation examines whether an assessment developed in one cultural context maintains its psychometric properties when used with test-takers from a different cultural background.…

    Read more…

  • New Research: GELPS Predicts Academic Success

    August 30, 2025 · GELPS Blog Predictive validity research examines the extent to which test scores are systematically related to future outcomes the test is intended to predict. For language…

    Read more…

  • Why More Institutions Accept GELPS

    August 17, 2025 · GELPS Blog Score use validation examines the appropriateness of using test scores for specific decision-making purposes. When an institution adopts a test for admissions decisions, it…

    Read more…

  • The Washback Effect in Language Testing

    August 04, 2025 · GELPS Blog Washback, also known as backwash, refers to the influence that testing has on teaching and learning. The washback effect is a central concern in…

    Read more…