About 6 minutes on average. The test has 24 statements you rate on a scale, and most people complete it in 5–8 minutes.

It is based on the MDQ framework — elevated mood, energy and activity surges, depressive lows, and episodic cycling. Your responses produce an indicator band with guidance, including what to tell a doctor and why the distinction from unipolar depression matters.

Yes. Your responses are processed in your browser. We don't sell personal data and our practices comply with GDPR and CCPA. You can request export or deletion at any time.

Yes — as often as you like. We recommend waiting at least 30 days between retakes for a meaningful comparison, since short-term mood and life events can shift your responses.

No. This is a self-screening tool, not a clinical diagnosis. If you're concerned about your mental health, please consult a qualified mental-health professional.