The hierarchical factor model of ADHD: invariant across age and national groupings?
Toplak ME, Sorge GB, Flora DB, Chen W, Banaschewski T, Buitelaar J, Ebstein R, Eisenberg J, Franke B, Gill M, Miranda A, Oades RD, Roeyers H, Rothenberger A, Sergeant J, Sonuga-Barke E, Steinhausen HC, Thompson M, Tannock R, Asherson P, Faraone SV.
Toplak ME, et al.
J Child Psychol Psychiatry. 2012 Mar;53(3):292-303. doi: 10.1111/j.1469-7610.2011.02500.x. Epub 2011 Nov 15.
J Child Psychol Psychiatry. 2012.
PMID: 22084976
Free PMC article.