Observational Studies, Surveys and Designed Experiments

Part of the Springer Texts in Statistics book series (STS)


There are important reasons for distinguishing studies in which the experimenter allocates treatments between subjects after the sample has been selected, from those studies in which the investigator merely records responses from sample members. Studies in which the experimenter applies treatment to the subjects or units and has control over the allocation of the treatments are termed designed experiments. The others are termed observational studies.


Model Check Paired Comparison Statistical Conclusion Treatment Design Stratify Random Sampling 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  1. 1.Department of MathematicsThe University of TasmaniaHobartAustralia

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