Item-Response Theory

Common Metrics

Developing and validating measurement models for multiple PROMs measuring the same PRO.

German PROMIS National Center

Research on PROMIS tools in Germany

Data: PROMIS Profile 29 general population data published

Today, we published PROMIS Profile 29 data from the general population in the UK, Germany and France at the Health Measures Dataverse. We hope that this data can be of use, e.

Webinar: Assessment of PROs using IRT

I held the webinar yesterday and there was quite some turnout. Unfortunately, the technology failed and i couldn’t record the webinar. Find my slides here, though! Feel free to get in touch if you have questions on the material.

Conference contribution: Monotonic polynomials to model flexible item response curves

A nice thing about virtual conferences is that talks can be easily recorded and shared after the conference. At last years PHO i presented a work i did with my colleague Carl Falk from McGill University in Montreal.

Lebensqualität als Zielparameter in der onkologischen Forschung und Praxis

Empirische Erfassung subjektiver Gesundheitsmerkmale am Beispiel der gesundheitsbezogenen Lebensqualität

Gesundheitsbezogene Lebensqualität gewinnt als Zielparameter für verschiedene Akteure des Gesundheitswesens an Bedeutung, z. B. bei der Therapieevaluation von chronisch kranken Patienten. In diesem Artikel beschreiben wir die unterschiedlichen Ebenen …

www.common-metrics.org: a web application to estimate scores from different patient-reported outcome measures on a common scale

**Background**: Recently, a growing number of Item-Response Theory (IRT) models has been published, which allow estimation of a common latent variable from data derived by different Patient Reported Outcomes (PROs). When using data from different …