Suggestion for Metadata Section

[claremichaud]

When DDI (Data Documentation Initiative) is introduced, I think it would be beneficial to state that this standard is applicable across disciplines because it generally applies to being used for data from surveys and observational research methods commonly used in the social, behavioral, economic, and health sciences.

It can also be added that metadata files are commonly created and saved as XML or JSON files, which are machine-readable but also easily read by humans.

[chris-prener]

Thanks @claremichaud - I'll fold this in as we edit this lesson!