Panel surveys
Panel surveys, sometimes called interval panels, are conducted among a group of respondents who have agreed to respond to a number of mail, telephone or occasionally personal interviews over time. These need not occur regularly. But a continuous panel or panel data (explained more in panels) refers to a group of individuals who agree to report specified behaviors over time.
The advantages of this method are
The research firm initially collects all the personal information about the respondents and does not waste time again in collecting this information during interviews. This increases the quality of the research data.
The response rate can be as high as 70% – 90%.
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