Drs. Carrie Houts, Mike Edwards, and R.J. Wirth from VPG and Linda Deal, from Pfizer, published a literature review in Quality of Life Research entitled “A review of empirical research related to the use of small quantitative samples in clinical outcome scale development.”
VPG’s Drs. Wirth, Edwards, and Houts have teamed with members of Johnson and Johnson Vision Care, Inc. to develop the Contact Lens User Experience: CLUE assessment system. There is a link to the paper on our News Blog.
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