The Design and Analysis of the Observational Study--A Review
- 1 September 1975
- journal article
- review article
- Published by JSTOR in Journal of the American Statistical Association
- Vol. 70 (351) , 503
- https://doi.org/10.2307/2285925
Abstract
In recent years the number of studies which attempt comparisons without adequate randomization has increased rapidly, particularly in disciplines and areas of r...Keywords
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