Assessment scienceItem exposure is the quiet failure of a small question bank
A bank that is too small stops measuring knowledge and starts measuring who has seen the questions. The arithmetic is unforgiving and easy to check.
2 min read
Company
Insights
Longer pieces on the parts of assessment software that are harder than they look. No gated downloads.
Topic
8 articles
- Assessment science
Security and complianceWhat remote proctoring actually proves
Proctoring produces evidence about a room, not a verdict about a person. Treating its output as a decision is where institutions get into trouble.
2 min read
EngineeringWhy an assessment marketing site belongs on a static host
Static hosting removes a class of outage from the pages candidates see first, and costs less than the runtime it replaces.
2 min read- Data and AI
Generated items still need a review step
A model can draft assessment items far faster than a committee can. The bottleneck was never drafting, which is why the savings are smaller than they look.
2 min read 
DeliveryAn exam window is a delivery problem, not a capacity one
Assessment traffic arrives as a spike with a deadline attached, and the usual scaling advice assumes a load shape this is not.
2 min read- Accessibility
Accessibility in assessment interfaces is a validity problem
If a candidate cannot operate the interface, the score measures the interface. That makes accessibility a measurement concern, not a compliance one.
2 min read - Security and compliance
Every score change needs to be explainable a year later
Scores get corrected — an item is voided, a key is fixed, a session is regraded. Whether that is defensible depends on what was recorded at the time.
2 min read - Assessment science
What a pass mark encodes
Sixty percent is not a standard, it is a habit. Choosing a cut score is a judgement about consequences, and it should be recorded as one.
2 min read
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