FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Surveys, interviews, focus groups and observation techniques are common sources of data in primary research. In secondary research, the researcher collects existing research materials through a number of sources like the internet, libraries and archives.

Detailed explanation-2: -Primary data is more reliable than secondary data because primary data are collected by doing original research and not through secondary sources that may subject to some errors or discrepancy and may even contain ut-dated information.

Detailed explanation-3: -To determine if a source is primary or secondary, ask yourself: Was the source created by someone directly involved in the events you’re studying (primary), or by another researcher (secondary)?

Detailed explanation-4: -Primary data refers to the first hand data gathered by the researcher himself. Secondary data means data collected by someone else earlier. Surveys, observations, experiments, questionnaire, personal interview, etc. Government publications, websites, books, journal articles, internal records etc.