What means primary data?

What is primary data example?

An example of primary data is the national census data collected by the government while an example of secondary data is the data collected from online sources. The secondary data collected from an online source could be the primary data collected by another researcher.

What is meaning of secondary data?

Sources of Secondary Data Secondary data are basically second-hand pieces of information. These are not gathered from the source as the primary data. To put it in other words, the secondary data are those that are already collected. So, these are comparatively less reliable than the primary data.

Why is it called primary data?

Data – or information – to help answer questions, understand a specific issue or test a hypothesis. Researchers in the health and social sciences can obtain their data by getting it directly from the subjects they're interested in. This data they collect is called primary data.

What are the examples of primary and secondary data?

Primary sourceSecondary sourceLetters and diaries written by a historical figureBiography of the historical figureEssay by a philosopherTextbook summarizing the philosopher's ideasPhotographs of a historical eventDocumentary about the historical event