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In this article, we will look at four different data collection techniques – observation, questionnaire, interview and focus group discussion – and evaluate their suitability under different circumstances.
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Primary data can be collected in a number of ways. However, the most common techniques are self-administered surveys, interviews, field observation, and experiments. ... This can be contrasted with the term primary data source, which refers specifically to the firsthand collection of data for a particular purpose.
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RAM and ROM are the main method of collecting primary data
There are several methods of collecting primary data are:
Interviews, questionnarise ,projective ,techniques, observation method etc