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primary data is the data from surveys, interviews or surveys by the research company or organization collecting the information, based on data collected and observed through each day. This data is collected by many different ways, such as consultation or through direct interviews with the subjects that you have the desire to collect data from them. in the company or business, this is very important data, since it is the main and original results, this data will be used for a specific purpose. When the secondary data is not available or may not help answer the questions our research, then we must find information yourself and collect data to suit the research problem. The data collected are called primary data, or in other words, the primary data is data collected by the research. Basically there are two methods for gathering information: direct or agency investigation sá, direct investigation is used more often, but in some cases, the method of observation is still used. For example: tracking device mounted on television to predict the number of people watching television or have someone impersonating customers to complain, to track the response of sales people.
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