Research can take many different forms, but the essential feature is the systematic and rigorous approach to answering a defined question or hypothesis.
This can involve various methods, such as qualitative or quantitative research, and different study designs, including observational or experimental studies.
The aim of research is to generate new knowledge that can be of value to others in similar situations, and to contribute to the evidence base that informs public health practice and policy.
Primary research involves involves collecting new data from scratch, often through experiments or surveys, to address specific research questions.
Secondary research on the other hand, involves analysing and synthesising existing data and research findings from a variety of sources, such as health surveys, administrative records, or published literature.
This can be done through methods such as systematic reviews or meta-analyses to provide a comprehensive understanding of a particular topic.