A practical use of sequential sampling is demonstrated to minimize the number of interviews necessary in field studies and yet retain accuracy of results possible only through adherence to sound statistical methods.
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References
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SimonsW. R., “A Plan to Account for ‘Not-at-Homes’ by Combining Weighting and Callbacks,”Journal of Marketing, 19(July 1954).
2.
Statistical Research Group, Columbia University, Sequential Analysis of Statistical Data: Applications, New York: Columbia University Press, 1945, Section 5, First Method.
