Question

Tertiary information sources defination

Answer 1

Tertiary sources are one further step removed from that. Tertiary sources summarize or synthesize the research in secondary sources. For example, textbooks and reference books are tertiary sources.

(or)

A tertiary source is an index or textual consolidation of primary and secondary sources. Some tertiary sources are not to be used for academic research, unless they can also be used as secondary sources, or to find other sources.

Answer 2

Answer:

These are sources that index, abstract, organize, compile, or digest other sources. Some reference materials and textbooks are considered tertiary sources when their chief purpose is to list, summarize or simply repackage ideas or other information