Accession Number : AD0784387
Title : Controlling Bias in Observational Studies: A Review.
Descriptive Note : Technical rept.,
Corporate Author : HARVARD UNIV CAMBRIDGE MASS DEPT OF STATISTICS
Personal Author(s) : Cochran,William G. ; Rubin,Donald B.
Report Date : JUN 1974
Pagination or Media Count : 62
Abstract : This paper reviews work on the effectiveness of different methods of matched sampling and statistical adjustment, alone and in combination, in reducing bias due to confounding x-variables when comparing two populations. The adjustment methods were linear regression adjustment for x continuous and direct standardization for x categorical.
Descriptors : *Statistical analysis, Bias, Analysis of variance, Regression analysis, Sampling, Multivariate analysis, Estimates
Subject Categories : Statistics and Probability
Distribution Statement : APPROVED FOR PUBLIC RELEASE