NICHQ Vanderbilt Assessment Scale – Parent Informant (ADHD)
This questionnaire is filled out by a parent about the child's behavior over the last 6 months. Alongside inattention and hyperactivity/impulsivity, it also covers three common co-occurring areas (oppositional behavior, conduct concerns, anxiety/depression) plus impairment in school, family, and social relationships. It's meant as a starting point for a conversation with a pediatrician -- not as a standalone diagnostic tool.
Comparison basis: 🇺🇸 US general-population sample · Cut-off from the validation literature
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55 statements · ~14 min
Important for interpretation
In the original instrument, a symptom domain (e.g. inattention or hyperactivity) is only considered clinically significant if the Performance/Impairment domain is ALSO elevated -- meaning at least one performance item was rated "Somewhat of a Problem" or "Problematic." Symptom frequency alone isn't considered sufficient in the original procedure. So always look at the impairment domain together with the others before interpreting them.
Worksheet pack for this topic
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This test is one signal among several. A guided path combines it with a few others instead of a single score.
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The concrete next step: the real path to a diagnosis, contact points online and in person, and which of our worksheets fit where.