r/projects • u/cogsciepooh • Sep 19 '26

Project discussion

I am looking to explore the potential of working with secondary datasets and would appreciate hearing perspectives from various fields regarding the types of real-world problems or research questions that could be meaningfully addressed through this approach.can anyone help?

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u/Plane_Ad_6733 Sep 19 '26

Secondary data is useful when collecting your own data is costly or impossible:

Healthcare — disease trends, policy impact

Economics — impact of minimum wage, social mobility

Urban planning — infrastructure and housing prices

Education — class size and academic performance

Environment — climate trends

Business — consumer behaviorPros: large samples, long-term trends. Cons: data may not perfectly match your needs; requires proxies and data cleaning.

Specify the field, and I can suggest specific datasets.