This paper describes a five-step procedure for meta-analysis. Especially important was the contacting of authors of prior papers. This was done primarily to improve the accuracy of the coding; it also helped to identify unpublished research and to supply missing information. Application of the five-step procedure to the issue of return postage in mail surveys yielded significantly more papers and produced more definitive conclusions than those derived from traditional reviews. This meta-analysis indicated that business reply postage is seldom cost-effective because first class postage yields an additional 9% return. Business reply rates were lower than for other first class postage in each of the 20 comparisons.
Edward J Lusk
- Professor Emeritus of Statistics
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- Primary Email:
luskej@plattsburgh.edu - Office Phone:
(518) 564-4190
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Latest Research
J. Scott Armstrong and Edward J Lusk (1987), Return Postage in Mail Surveys: A Meta-Analysis, Public Opinion Quarterly, 51 (2), 233-248.
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