Williams V, Romano (DeMuro) C, Clark M, Goss D, Naujoks C, Marvel J. Psychometric evaluation of a new electronic pediatric asthma symptom diary. Poster presented at the ISPOR Europe 2022; November 8, 2022. Vienna, Austria. [abstract] Value Health. 2022 Dec 1; 25(12):S428. doi: 10.1016/j.jval.2022.09.2130
Williams V, DeMuro C, Finelli L, Qin S, Saretsky TL, Ma J, Lewis S, Phillips M, Osborne RH. Preliminary psychometric evaluation of the respiratory syncytial virus infection intensity impact questionnaire (RSV-IIIQ) in adults. Poster presented at the Virtual ISPOR EUR 2021; November 30, 2021. [abstract] Value Health. 2022 Jan 1; 25(1 Supplement):S234. doi: 10.1016/j.jval.2021.11.1144
Coles T, Williams V, Dwyer K, Mordin M. Psychometric evaluation of the patient's knee implant performance questionnaire. Value Health. 2018 Nov;21(11):1305-12. doi: 10.1016/j.jval.2018.05.006
Qin S, Coles T, Nelson L, McLeod L, Williams V, Williams N, Reaney M. CDFs and PDFs: comparing visual methods supporting responder thresholds in clinical trials. Poster presented at the 2018 ISPOR 23rd Annual International Meeting; May 21, 2018. Baltimore, MD. [abstract] Value Health. 2018 May; 21(Suppl):S53. doi: 10.1016/j.jval.2018.04.442
Francois C, Danchenko N, Williams V, Nelson L, Williams NJ, Yarr S, DiBenedetti DB, Lancon C. Validation of the depression and family functioning scale (DFFS). Poster presented at the 2015 ISPOR 20th Annual International Meeting; May 2015. Philadelphia, PA. [abstract] Value Health. 2015 May; 18(3):A24.
Nelson L, Coon C, Williams V, Price M. Determining missing data rules for pros: alpha-if-item-deleted. Poster presented at the 2010 ISPOR 15th Annual International Meeting; May 2010. Atlanta, GA. [abstract] Value Health. 2010 May; 13(3):A21.
Williams VSL, Fehnel SE, Hollis KA, Hogue SL. Antidepressant-induced sexual dysfunction (ADSD) in Europe: a preliminary investigation. Poster presented at the 2004 ISPOR 9th Annual International Meeting; May 16, 2004. Arlington, VA. [abstract] Value Health. 2004 May; 7(4):361-2.