Replications, Significance Tests and Confidence in Findings in Survey Research |
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| Authors: | GLENN NORVAL D. |
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| Affiliation: | Norval D. Glenn is Professor of Sociology, University of Texas, Austin. The data reported in this paper are from the 1972–1980 General Social Surveys conducted by the National Opinion Research Center (James A. Davis, principal investigator) with funds from the National Science Foundation. The author is solely responsible for the tabulations, analyses, and interpretations reported here. The paper was written while the author was Mitchell Distinguished Visiting Professor at Trinity University and is an incidental product of a research project funded by the W. T. Grant Foundation. |
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| Abstract: | It is now common for survey researchers to use comparable datafrom two or more surveys in studies which have no temporal dimension.However, they rarely do independent replications with the datafrom the different samples, in spite of the greater confidencein findings that testing the significance of statistics froma series of replications affords. A simple method of combiningprobabilities from two or more replications is described andillustrated, and a table of critical values to facilitate itsuse is provided. |
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