Rating Scale Methods Research

Endpoint Outcomes is embarking on a large study to examine the selection of rating scales and response options for PRO measures from the patient’s perspective.  This research which is a mix of closed-ended exercises supplemented with qualitative interviews seeks to...

Lower Gastrointestinal Disorders

Brooke Witherspoon is co-author on two posters at ISPOR Dublin in November. One poster examines the agreement between child and parent symptom diary responses in chronic constipation and irritable bowel syndrome with constipation, and the other covers the value of...