Swanson, Nolan and Pelham Rating Scale, Version IV.

SNAP-IV

What it measures

ADHD and oppositional defiant disorder symptoms in children - Inattention, Hyperactivity/Impulsivity, and Opposition/Defiance (DSM criterion mapped)

Length and format

26 (common short form: 9 inattention + 9 hyperactivity-impulsivity + 8 ODD); 90-item full version. 4-point (0 not at all to 3 very much) over the past month; parent and teacher forms; subscale averages (informant/observer report)

Language versions

many incl. ES, PT, ZH, FA, TR; a common international ADHD screen (recommended by CADDRA)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

public-domain / open

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Bussing, R., Fernandez, M., Harwood, M., et al. (2008). Parent and teacher SNAP-IV ratings of ADHD symptoms: Psychometric properties and normative ratings from a school district sample. Assessment, 15(3), 317-328.