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Web of Science reports that as of Nov/Dec 2014, the Wirth and Edwards (2007) paper entitled “Item factor analysis: Current approaches and future directions” is a “highly cited paper” and is “in the top 1% of the academic field of Psychiatry/Psychology” for the publication year 2007. Download a copy here
VPG and Shire PLC to publish a “Validation of the Yale-Brown Obsessive Compulsive Scale Modified for Binge Eating” in the International Journal of Eating Disorders. A link to the article and supplemental materials will be provided when they become available.
VPG and Johnson & Johnson Vision Care Inc. will be presenting “A Patient- Reported Outcomes (PRO) questionnaire for the pediatric soft contact lens wearer: Pediatric Contact Lens User Experience (pCLUE)’” at the 2015 British Contact Lens Association Conference (29 – 31 May) in Liverpool, UK.
Drs. Cai and Wirth will be holding an IRT software short-course entitled “flexMIRT®: Flexible multilevel multidimensional item analysis and test scoring” this July 12th in Beijing China. The course will be taught in English with some annotations and translations to Chinese. For more information please see the IMPS 2015 course description.