Pennifer Erickson

A concept taxonomy and an instrument hierarchy: tools for establishing and evaluating the conceptual framework of a patient-reported outcome (PRO) instrument as applied to product labeling claims.

Pennifer Erickson, Richard Willke, Laurie Burke, 2009, Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research.

The On-Line Guide to Quality-of-Life Assessment (OLGA): resource for selecting quality of life assessments

Pennifer Erickson, Jeffrey Scott, P. Erickson, 1993 .

Use of existing patient-reported outcome (PRO) instruments and their modification: the ISPOR Good Research Practices for Evaluating and Documenting Content Validity for the Use of Existing Instruments and Their Modification PRO Task Force Report.

Pennifer Erickson, Laurie Burke, N. Leidy, 2009, Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research.