There are many different types of research, all of which contribute to new knowledge which may lead to changes in treatment, policies or care. Having people involved in research is vital and PI is the active involvement of patients, carers and the public in research projects and research centres, working with researchers, not for and not to be confused with knowledge sharing or recruitment of participants into research projects.
INVOLVE is a national advisory group established by the National Institute of Health Research to support active public involvement the NHS, public health and social care.