More flexible response functions for the PROMIS physical functioning item bank by application of a monotonic polynomial approach.

Carl F Falk Felix H Fischer

Published in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2021)

The MP approach allows inclusion of items with complex response curves into PRO item banks. Information for the physical functioning item bank may be greater than originally thought for low levels of physical functioning. This may translate into small improvements if an MP approach is used.

Keyphrases

physical activity
mental health
psychometric properties
healthcare
patient reported outcomes
health information
social media