Term: Type III Analysis of Effects Test

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Glossary Definition

Last Updated: 2012-11-05


An unweighted analysis based on the average of centre-specific estimates of test groups in the presence of an interaction (influence) effect between the independent (explanatory) variables. Type III analyses are often used when the effect of one explanatory variable is influenced by the effect of another explanatory variable. (Dmitrienko A et al., 2005).


  • Dmitrienko A, Molenberghs G, Chuang-Stein C, Offen W. Analysis of Clinical Trials using SAS®: A Practical Guide. Cary, NC: SAS Institute Inc. 2005.(View)

Term used in 

  • Heaman M, Kingston D, Helewa M, Brownell M, Derksen S, Bogdanovic B, McGowan K, Bailly A. Perinatal Services and Outcomes in Manitoba. Winnipeg, MB: Manitoba Centre for Health Policy, 2012. [Summary] [Full Report] [Errata] (View)