Learn about primary, secondary and tertiary sources in research. We explain what each type is and how they compare, along with examples.
Primary source examples Diary, journal, speeches, interviews, official records, pottery, clothing, furniture Primary source examples A source that was created later by someone who did not experience an event or time period first-hand Secondary Source Secondary Source Examples Textbooks, encyclopedias, b...
aSecondary sources are less easily defined than primary sources. Generally, they are accounts written after the fact with the benefit of hindsight. They are interpretations and evaluations of primary sources. Secondary sources are not evidence, but rather commentary on and discussion of evidence. Howe...
current through the primary coil induces current in the secondary coil 同义词: primary coil / primary winding adj. 1 of first rank or importance or value; direct and immediate rather than secondhand primary goals ; a primary effect ; primary sources ; a primary interest 2 not derived from...
Finding Sources Primary and Secondary. Advertisements Primary and Secondary Sources Media Center. Standard SPI Distinguish between primary and secondary sources. Essential Question: Compare and.
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: the nucleus formed by the fusion of two polar nuclei in the embryo sac of a seed plant prior to fertilization called also secondary nucleus compare endosperm nucleus The Ultimate Dictionary Awaits Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged. Expanded ...
Historians use primary sources to provide deeper, broader and more textured contexts to the events and people that they write about. Often, close studies of source material provides color and flavor to historical understanding that is absent from secondary sources (historical texts produced by scholars...
Guide to Primary and Secondary Sources Primary Sources A primary source is a document, speech, or other source of evidence written, created and produced during the time under study. Primary sources offer an inside view of a particular event. ...
Statistics on " Primary and secondary education in the Asia-Pacific region " Overview Teachers Enrollment Completion Post-secondary education EdTech The most important statistics Adult literacy rates APAC 2022, by country Share of women in the illiterate population in APAC 2018, by country Number ...