Case-cohort study designs represent a cost-effective and efficient strategy for analysing time-to-event data, particularly when the event of interest is rare. By selecting a random subcohort along ...

Mixed Methods Research (MMR) has been labelled the ‘third methodological movement’ and a field that has matured considerably in the last two decades with a strong global cross disciplinary scholarly ...

Medical research is essential for advancing the understanding of health, diseases, and treatments. There are many types of studies that serve different purposes. Medical research, or health research, ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...