Hanna Bomhof-Roordink


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Personal profile


shared decision making, informed decision making, development and validation of measurement instruments

Research interests

'Developing a measurement instrument is not something to be done on a rainy Sunday afternoon. If it is done properly, it may take years.'

de Vet et al – ‘Measurement in Medicine’

My current research focus is on how to measure informed decision making (IDM) regarding cancer screening. In collaboration with the team members, we will develop and validate the IDMScreen Scale, a questionnaire which can be used to assess the level of IDM and the conditions needed for IDM.

While developing and validating a measurement instrument the questions 'what to measure' and 'how to measure it' are essential to keep in mind. We use the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) checklist as a guideline, and involvement of the end-users (in this case citizens) during all quantitative and qualitative steps is key.

During this project, I use the experience I gained while developing and validating the iSHARE questionnaires, which aim to measure shared decision making in oncology.

My goal is to reach a measurement instrument of high quality, in collaboration with other team members.

I am a member of the section Quality and Organization of Care, Department of Public and Occupational Health (QOC). QOC is a multidisciplinary section that aims to improve the quality and organization of public, curative, and palliative health care for citizens, patients and health care professionals, organizations and health care systems by performing research and translating scientific knowledge into practice, policy and education.

Within this section my research falls within the research group RISC Amsterdam. In the RISC expert centre, we perform interdisciplinary and transdisciplinary research on health risk communication and individual and shared decision making, and integrate scientific knowledge with policy and practice. We work closely with The National Institute of Public Health and the Environment (RIVM) and health care professionals.


Education/Academic qualification

Master, Vrije Universiteit Amsterdam, Netherlands


Bachelor, Vrije Universiteit Amsterdam, Netherlands