Pre-validate certification exam questions before field testing.
200+ quality checks in about 30 seconds.
Published estimates put the cost of one operational test question at $1,500–$2,500 or more.
We catch the failures before they reach field testing.
About 30 seconds per item, run in parallel — a 100-item pilot bank finishes in well under an hour
CSV, Excel, Word, or QTI. Paste one item or upload 1,000. We parse every format certification bodies use.
57 deterministic rules run first — no hallucination. Then AI predicts difficulty, discrimination, and flags bias. All with confidence intervals.
A branded PDF report with per-item findings, psychometric predictions, aggregate stats, and cited methodology, organised to support NCCA and ISO/IEC 17024 documentation.
Official sample questions from the AWS Certified Cloud Practitioner (CLF-C01) exam, since superseded by CLF-C02 — see how our system rates them
Source: AWS Cloud Practitioner Sample Questions PDF (© Amazon Web Services, 2020). CLF-C01 was retired in 2023; items are reproduced for demonstration only. Item Signal is not affiliated with or endorsed by Amazon Web Services.
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