When a scientist researches the work of others it is an example of?

When a scientist researches the work of others, it is an example of a literature review or secondary research. This process involves analyzing existing studies, theories, and findings to understand the current state of knowledge on a topic. It helps identify gaps in research, informs new hypotheses, and provides a foundation for further investigation. Engaging with prior work is crucial for advancing scientific understanding and ensuring that new research builds on established knowledge.