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ERIC Number: EJ857033
Record Type: Journal
Publication Date: 2009
Pages: 9
Abstractor: As Provided
Reference Count: 41
ISSN: ISSN-1070-5511
Smoking and Cancers: Case-Robust Analysis of a Classic Data Set
Bentler, Peter M.; Satorra, Albert; Yuan, Ke-Hai
Structural Equation Modeling: A Multidisciplinary Journal, v16 n2 p382-390 2009
A typical structural equation model is intended to reproduce the means, variances, and correlations or covariances among a set of variables based on parameter estimates of a highly restricted model. It is not widely appreciated that the sample statistics being modeled can be quite sensitive to outliers and influential observations, leading to bias in model parameter estimates. A classic public epidemiological data set on the relation between cigarette purchases and rates of 4 types of cancer among states in the United States is studied with case-weighting methods that reduce the influence of a few cases on the overall results. The results support and extend the original conclusions; the standardized effect of smoking on a factor underlying deaths from bladder and lung cancer is 0.79. (Contains 5 figures.)
Psychology Press. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site:
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A