Twenty questions · Twenty-five minutes

See how your mind finds the signal.

A focused set of verbal, numerical, visual, spatial, and critical reasoning problems—with a personalized results and insight report when you finish.

20reasoning problems

5ability areas

25:00fixed time window

Research-based core International Cognitive Resource Battery rapid assessment. Your final report explains what the evidence supports—and what it does not.

Ready when you are

Enter your email to begin

Your email connects your attempts so you can resume after a dropped connection, revisit your report, or take another version. No password is required.

Encrypted connectionNo email follow-upNo data sales

How your information is handled

Your email, answers, timing, and result are used only to administer this assessment and support authorized human review. Signal 25 does not sell applicant data, use it for advertising, or use your email to contact you.

Information is shared only with authorized assessment reviewers and service providers required to operate the assessment. Shared reports omit your email address and applicant ranking.

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