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Personal profile

Research interests

Xin Zhang is a PhD student at the Health Technology Assessment Unit, Department of Epidemiology under the supervision of dr. Paul Krabbe and dr. Karin Vermeulen. Her research focuses on Patient-Reported Outcome Measurement (PROM). The project she is now working on is:

From Better-Worse to Drop-Down: Heading for a better method to measure health

Our team is devoted to developing a smart ePROMs (electronic Patient-Reported Outcome Measure) framework for measuring Health-Related Quality of Life. This is based on a modern measurement theory that has been developed by us in 2013, referred to as the multi-attribute preference response (MAPR) model.

Preference-based assessment is one of the key elements in our theory to get overall value for health state of individual patients. The Better-Worse task is commonly used as the preference-based assessment method in our ePROMs. However, the task is still a bit complex and we found other minor drawbacks of this method in our previous studies.

So, we are now putting up a new preference-based assessment method (Drop-Down) and implementing a new study to explore whether this new method is better.


Recent external collaboration on country/territory level. Dive into details by clicking on the dots or