The data you collect from your own sources from new for your problem/need, like questionarire,s, email, group dicussion, survey and various other methods of a population froma a sample.
Seconary data is the data which you collect about a population or sample, from already collected means, for example lireture, statiics published by Governmement and non governments institutes,or pblished in journels or collected through libraries.
2006-08-01 01:26:15
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answer #1
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answered by Ghouri - The Silent Heart 3
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Primary data collection is necessary when a researcher cannot find the data needed in secondary sources. Market researchers are interested in primary data about demographic/ socioeconomic characteristics, attitudes/opinions/interests, awareness/knowledge, intentions, motivation, and behavior. Three basic means of obtaining primary data are observation, surveys, and experiments. The choice will be influenced by the nature of the problem and by the availability of time and money.
2006-08-01 01:21:43
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answer #2
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answered by TK 4
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