Assessment
IELTS China Band Distribution
Corrected official 2024–25 nationality data, an accessible band-by-band table, and a careful explanation of what the distribution can—and cannot—tell us.
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Insights
Research and commentary on adaptive assessment, learning science, and the responsible use of AI in education.
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Assessment
Adaptive Testing and Validity: Keeping Measurement Sound
Computer-adaptive assessment can shorten tests and sharpen precision, but it must be designed with validity in mind. We outline how item selection, calibration, and scoring interact so that adaptive instruments remain interpretable and fair for high-stakes use.
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Learning Science
Spaced Practice in Digital Learning Environments
Spaced repetition is well supported by evidence; implementing it well in online platforms requires attention to scheduling, content structure, and learner load. This piece summarizes design choices that make spaced practice effective without overwhelming learners or instructors.
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AI & Assessment
When AI Supports Assessment: Transparency and Educator Oversight
Automated scoring and feedback can scale support, but educators need to understand how systems work and when to override or supplement them. We discuss principles for transparent AI-assisted assessment and the role of human judgment in interpretation and action.
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