La représentativité dun échantillon et son test par le Khi-deux; Testing the representativeness of a sample

The value and credibility of a survey or opinion pool depend to a large extent on the observed samples representativeness, which in turndepends on sample size. When dealing with an heterogenous population, however, sample size may be insufficient to counterbalance possible biases due to differences...

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Bibliographic Details
Main Author: Louis Laurencelle
Format: Article
Language:English
Published: Université d'Ottawa 2012-10-01
Series:Tutorials in Quantitative Methods for Psychology
Subjects:
Online Access:http://www.tqmp.org/Content/vol08-3/p173/p173.pdf