No. Derived language; not a licensed PHQ-9 score.

Differential section opens when both dimensions are close.

No. Call emergency services if unsafe.

Adaptive · free · not a diagnosis

Depression test — adaptive mood screening

Screens depression tendency across anhedonia, energy, and worthlessness. Not a diagnosis; differential questions when overlapping ADHD or anxiety.

Start depression screening PHQ-9 & Beck Depression Inventory (BDI)

Depression · DSM-5 296.xx / ICD-11 6A70
Anhedonia, energy loss, worthlessness, and psychomotor slowing

Question path adapts to your responses

Not a fixed quiz. Based on your answers, the system changes which questions come next to home in on the result — deepening some areas (~30–45 questions, 12–20 min). When two dimensions score close, differential follow-ups open. Answers never leave your device.

Nine dimensions in one session — not ADHD-only
Differential questions open when two dimensions score close
12–20 min · no server upload · clinician summary available

Depression is a multidimensional clinical picture in which the brain's reward mechanism, energy production, and cognitive speed become blunted. The person experiences complete absence of feeling (anhedonia) about formerly enjoyable activities; even simple daily tasks become insurmountable burdens.

Can overlap with

9spectrum is not a single-label quiz — it clarifies source when tendencies overlap.

ADHD BurnoutADHD burnout is a flat battery from years of trying to conform to neurotypical expectations. Related screen →

FAQ

Official PHQ-9?: No. Derived language; not a licensed PHQ-9 score.
Depression vs ADHD?: Differential section opens when both dimensions are close.
Use in crisis?: No. Call emergency services if unsafe.

Full FAQ

Ready to start?

No fixed quiz list. Based on your answers, the system changes questions to home in on the result. No account; pause any time.

Start depression screening