Are the preexisting data of a single national survey (10 years ago) considered recent or old data? AND can use them for secondary data analysis?
Also, when can consider data as recent or old data (i.e., 1 year, 5 years, 10, ... etc.)
The age of a data depends on the frequency with which it is detected.
However, a 10-year-old figure is not (obviously) young.
Thank you Dr. Gioacchino de Candia
is there a reference book, guideline or an article talk about this topic?
Issam S. Ismail you don't need a guideline or reference book: use the grano salis.
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